TWI637365B - Display panel - Google Patents

Abstract

A display panel includes a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of black spacers, a second substrate, and a plurality of black lines. The scan line and the data line are disposed on the first substrate. The black spacer is disposed on the first substrate, and the black spacer has a thickness of 0.6 micrometers to 2.5 micrometers. The second substrate is disposed relative to the first substrate. The black stripes are disposed on the second substrate, and the direction in which the black stripes extend is different from the extending direction of the black spacers.

Description

Display panel

The present invention relates to a display panel, and more particularly to a display panel including a black spacer.

With the advancement of technology, curved-surface displays are becoming more and more widely used. Devices that are often used in life can basically be equipped with curved displays, which also represents the market potential of curved displays.

In the prior art, after the upper and lower substrates of the panel are displayed on the panel, the display panel is biased to be bent. However, after the display panel is bent, the relative positions of the elements of the upper and lower substrates may be changed, so that the alignment of the components is not accurate after the display panel is bent. If this occurs on the shading element, there is a problem that the curved display panel leaks light. Therefore, there is a need for a method that can solve the aforementioned problems.

At least one embodiment of the present invention provides a display panel capable of solving the problem of component alignment in a curved display panel.

At least one embodiment of the present invention provides a display panel capable of reducing display Light leakage from the panel.

At least one embodiment of the present invention provides a display panel including a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of black spacers, a second substrate, and a plurality of black lines. The scan line and the data line are disposed on the first substrate. The black spacers are disposed on the first substrate, and each of the black spacers has a thickness of 0.6 micrometers to 2.5 micrometers. The second substrate is disposed relative to the first substrate. The black stripes are disposed on the second substrate, and the direction in which the black stripes extend is different from the extending direction of the black spacers.

At least one embodiment of the present invention provides a display panel including a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of black spacers, a second substrate, a plurality of black lines, a first color pattern column, and a second A color pattern column and a third color pattern column. The first substrate has a first bending standard. The scan line and the data line are disposed on the first substrate. The black spacer is disposed on the first substrate, and the black spacer is substantially parallel to the first bending standard. The second substrate is disposed relative to the first substrate. The black stripes are disposed on the second substrate, and the direction in which the black stripes extend is different from the extending direction of the black spacers. The arrangement direction of the first color pattern column, the second color pattern column, and the third color pattern column is substantially parallel to the first bending standard.

The display panel provided by at least one embodiment of the present invention includes black spacers and black stripes extending in different directions, and black spacers and black stripes are respectively disposed on the first substrate and the second substrate, thereby solving the shading component in the curved display. Inaccurate alignment problem.

The display panel provided by at least one embodiment of the present invention may have a smaller curved surface radius.

The above described features and advantages of the invention will be apparent from the following description.

1, 2‧‧‧ display panel

10, 20, 30, 40, 100, 200‧‧‧ substrates

110‧‧‧Insulation

120‧‧‧Black spacers

120D‧‧‧Extension direction

210‧‧‧Black lines

210D‧‧‧Extension direction

212, 214‧‧‧ pattern

220‧‧‧Interval

232, 234, 236‧‧‧ color pattern columns

A1, A2‧‧‧ blocks

B1, B2‧‧‧Width

C1, C2, C3‧‧‧ surface center

CH, CH1, CH2‧‧‧ channel layer

D, D1, D2‧‧‧ bungee

DL‧‧‧ data line

DM‧‧‧ display media

E, E1, E2, E3‧‧‧ bending direction

F1, F2‧‧‧ surface

G, G1, G2‧‧‧ gate

GI‧‧‧ brake insulation

O1, O2‧‧‧ openings

PE, PE1, PE2‧‧‧ pixel electrodes

PU‧‧‧ pixel area

R‧‧‧ Ohmic contact layer

R1, R2, R3‧‧‧ surface radius

S, S1, S2‧‧‧ source

SL‧‧‧ scan line

T, T1, T2, T3‧‧‧ bending standards

TD‧‧‧ extending direction

TFT, TFT1, TFT2‧‧‧ switching elements

W1, W2, W3, W4‧‧‧ width

θ 1, θ 2‧‧‧ angle

1A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention.

FIG. 1B is a top plan view of FIG. 1A.

2A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention.

2B is a top plan view of FIG. 2A.

3A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention.

Figure 3B is a top plan view of Figure 3A.

4A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention.

4B is a top plan view of FIG. 4A.

FIG. 5A is a top plan view of a substrate and its upper components in a display panel according to an embodiment of the invention. FIG.

FIG. 5B is a top plan view of another substrate and its upper components in a display panel according to an embodiment of the invention. FIG.

5C is a view corresponding to the line AA' of FIG. 5A and the line BB' of FIG. 5B. Schematic diagram of the panel.

6A is a top plan view of a substrate and components thereon in a display panel in accordance with an embodiment of the invention.

6B is a top plan view of another substrate and its upper components in a display panel in accordance with an embodiment of the invention.

7A is a top plan view of a substrate and its upper components in a display panel in accordance with an embodiment of the invention.

7B is a top plan view of another substrate in the display panel and its upper components, in accordance with an embodiment of the invention.

FIG. 8A is a top plan view of a substrate and its upper components in a display panel according to an embodiment of the invention. FIG.

FIG. 8B is a top plan view of another substrate and its upper components in a display panel according to an embodiment of the invention. FIG.

Fig. 8C is a schematic cross-sectional view of the display panel corresponding to the line AA' of Fig. 8A and the line BB' of Fig. 8B.

1A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention. FIG. 1B is a top plan view of FIG. 1A.

Referring to FIGS. 1A and 1B simultaneously, the substrate 10 includes a first surface F1 and a second surface F2 relative to the first surface F1. In this embodiment, the first surface F1 and the second surface F2 both include a curved surface (or a curved surface), and the substrate 10 has a first bend. Standard T1. As shown in FIG. 1B, the first bending standard T1 is located, for example, between a bending point (or a peak) of the first surface F1 and a bending point (or a peak) of the second surface F2.

In this embodiment, the first surface F1 of the substrate 10 faces the curved center C1 of the substrate 10, and the radius R1 of the curved surface corresponding to the first bending standard T1 is, for example, the distance between the first surface F1 and the curved center C1. It can be said that the radius R1 of the curved surface corresponding to the substrate 10 is the shortest distance from the first surface F1 to the center C1 of the curved surface. The first bending standard T1 is perpendicular to the bending direction E1 of the substrate 10. The bending direction E1 of the substrate 10 extends, for example, along the first surface F1 or the second surface F2. In an embodiment, the center of curvature of the bending direction E1 corresponds to the curved center C1 of the substrate 10.

In an embodiment, the display panel includes a substrate 10 and another substrate. In an embodiment, the curved center C1 of the substrate 10 is the same as the center of the curved surface of the other substrate. In an embodiment, the radius of curvature R1 of the substrate 10 may be slightly different from that of the other substrate.

2A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention. 2B is a top plan view of FIG. 2A.

Referring to FIG. 2A and FIG. 2B simultaneously, the substrate 20 includes a first surface F1 and a second surface F2 with respect to the first surface F1. In this embodiment, the first surface F1 and the second surface F2 both include a curved surface (or a curved surface), and the substrate 20 has a first bending standard T1 and a second bending standard T2, and the second bending standard T2 is parallel to The first bending standard T1. As shown in FIG. 2B, the first bending standard T1 is, for example, located at a bending point (crest) of the first surface F1 and a bending point (crest) of the second surface F2. Between, the second bending standard T2 is located, for example, between the bending point (valley) of the first surface F1 and the bending point (valley) of the second surface F2.

In the present embodiment, the first surface F1 of the substrate 20 faces the curved center C1, and the curved surface radius R1 corresponding to the first bending standard T1 is, for example, the distance between the first surface F1 and the curved center C1. In the present embodiment, the second surface F2 of the substrate 20 faces the curved center C2, and the curved surface radius R2 corresponding to the second bending standard T2 is, for example, the distance between the second surface F2 and the curved center C2. In this embodiment, the first bending standard T1 and the second bending standard T2 correspond to different center of the curved surface, and the substrate 20 is substantially located between the curved center C1 and the curved center C2. In some embodiments, the radius of the surface R2 may be the same or different than the radius of the surface R1. In the present embodiment, the first bending standard T1 is perpendicular to the bending direction E1 of the substrate 20, and the second bending standard T2 is perpendicular to the bending direction E2 of the substrate 20. The bending direction E1 and the bending direction E2 of the substrate 20 are, for example, directions extending along the first surface F1 or the second surface F2, and the center of curvature of the bending direction E1 corresponds to the curved center C1 of the substrate 20, and the bending direction E2 The center of curvature corresponds to the curved center C2 of the substrate 20.

In an embodiment, the display panel includes a substrate 20 and another substrate. In one embodiment, the other substrate also has two curved center points, and can respectively correspond to the curved center C1 of the substrate 20 and the curved center C2. In one embodiment, the radius of the curved surface of the other substrate may be slightly different from the curved radius R1 of the substrate 20 and the radius R2 of the curved surface.

3A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention. Figure 3B is a top plan view of Figure 3A.

Referring to FIG. 3A and FIG. 3B simultaneously, the substrate 30 includes a first surface F1 and a second surface F2 opposite to the first surface F1. In this embodiment, the first surface F1 and the second surface F2 both include a curved surface (or a curved surface), and the substrate 30 has a first bending standard T1, a second bending standard T2, and a third bending standard T3, A bending standard T1, a second bending standard T2, and a third bending standard T3 are parallel to each other. In the present embodiment, the first bending standard T1, the second bending standard T2, and the third bending standard T3 are sequentially arranged, for example. As shown in FIG. 3B, the first bending standard T1 and the third bending standard T3 are located between the bending point (crest) of the first surface F1 and the bending point (crest) of the second surface F2, for example, from a plan view. The second bending standard T2 is, for example, between a bending point (valley) of the first surface F1 and a bending point (valley) of the second surface F2.

In this embodiment, the first surface F1 of the substrate 30 faces the curved center C1 and the curved center C3, and the curved radius R1 corresponding to the first bending standard T1 is, for example, the distance between the first surface F1 and the curved center C1, and The radius R3 of the curved surface corresponding to the third bending standard T3 is, for example, the distance between the first surface F1 and the curved center C3. In the present embodiment, the second surface F2 of the substrate 30 faces the curved center C2, and the curved surface radius R2 corresponding to the second bending standard T2 is, for example, the distance between the second surface F2 and the curved center C2. In this embodiment, the first bending standard T1, the second bending standard T2, and the third bending standard T3 correspond to different curved center centers. In some embodiments, the curved surface radius R1, the curved surface radius R2, and the curved surface radius R3 may be the same or different. In this embodiment, the first bending standard T1 is perpendicular to the bending direction E1 of the substrate 30, and the second bending standard T2 is perpendicular to the bending direction E2 of the substrate 30, and The three bending standard T3 is perpendicular to the bending direction E3 of the substrate 30. The bending direction E1, the bending direction E2, and the bending direction E3 of the substrate 30 extend along the first surface F1 or the second surface F2. The center of curvature of the bending direction E1 corresponds to the curved center C1 of the substrate 30, the center of curvature of the bending direction E2 corresponds to the curved center C2 of the substrate 30, and the center of curvature of the bending direction E3 corresponds to the curved center C3 of the substrate 30.

In an embodiment, the display panel includes a substrate 30 and another substrate. In one embodiment, the other substrate also has three curved center points, and can respectively correspond to the curved center C1 of the substrate 30, the curved center C2, and the curved center C3. In one embodiment, the radius of the curved surface of the other substrate may be slightly different from the curved radius R1, the curved surface radius R2, and the curved surface radius R3 of the substrate 30.

4A is a perspective view of a substrate in a display panel in accordance with an embodiment of the invention. 4B is a top plan view of FIG. 4A.

Referring to FIGS. 4A and 4B simultaneously, the substrate 40 includes a first surface F1 and a second surface F2 relative to the first surface F1. In this embodiment, the first surface F1 and the second surface F2 both include a curved surface (or a curved surface), and the substrate 40 has a first bending standard T1, a second bending standard T2, and a third bending standard T3, A bending standard T1, a second bending standard T2, and a third bending standard T3 are parallel to each other. In the present embodiment, the first bending standard T1, the second bending standard T2, and the third bending standard T3 are sequentially arranged, for example. As shown in FIG. 4B, the first bending standard T1, the second bending standard T2, and the third bending standard T3 are, for example, located at a bending point of the first surface F1 and a bending point of the second surface F2. The setting of the above may be referred to the description of the above embodiment and FIG. 4B, and details are not described herein.

In this embodiment, the first surface F1 of the substrate 40 faces the curved center C1, the curved center C2, and the curved center C3. The curved radius R1 corresponding to the first bending standard T1 is, for example, between the first surface F1 and the curved center C1. The distance R2 corresponding to the second bending standard T2 is, for example, the distance between the second surface F2 and the curved center C2, and the curved surface radius R3 corresponding to the third bending standard T3 is, for example, the first surface F1 and The distance between the center C3 of the surface. In this embodiment, the first bending standard T1, the second bending standard T2, and the third bending standard T3 correspond to different curved center centers. In this embodiment, the curved surface radius R1, the curved surface radius R2, and the curved surface radius R3 do not overlap each other, but not limited thereto. In other embodiments, the curved surface radius R1 and the curved surface radius R3 are, for example, identical (overlapping). In some embodiments, the curved surface radius R1, the curved surface radius R2, and the curved surface radius R3 overlap each other. The first bending standard T1 is perpendicular to the bending direction E1 of the substrate 40, the second bending standard T2 is perpendicular to the bending direction E2 of the substrate 40, and the third bending standard T3 is perpendicular to the bending direction E3 of the substrate 40. The bending direction E1, the bending direction E2, and the bending direction E3 of the substrate 40 extend along the first surface F1 or the second surface F2. In one embodiment, the center of curvature of the bending direction E1 corresponds to the curved center C1 of the substrate 40, the center of curvature of the bending direction E2 corresponds to the curved center C2 of the substrate 40, and the center of curvature of the bending direction E3 corresponds to the substrate 40. The center of the surface is C3.

In an embodiment, the display panel includes a substrate 40 and another substrate. In one embodiment, the other substrate also has three curved center points, and can respectively correspond to the curved center C1 of the substrate 40, the curved center C2, and the curved center C3. In one embodiment, the radius of the curved surface of the other substrate may be the same as the curved surface radius R1 and the curved surface radius R2 of the substrate 40. And the surface radius R3 is slightly different.

FIG. 5A is a top plan view of a substrate and its upper components in a display panel according to an embodiment of the invention. FIG. FIG. 5B is a top plan view of another substrate and its upper components in a display panel according to an embodiment of the invention. FIG. Fig. 5C is a schematic cross-sectional view of the display panel corresponding to the line AA' of Fig. 5A and the line BB' of Fig. 5B. It should be noted that the embodiments of FIGS. 5A to 5C follow the component numbers and parts of the embodiment of FIGS. 1A to 4B, wherein the same or similar reference numerals are used to denote the same or similar elements, and the same is omitted. Description of the technical content. For the description of the omitted part, reference may be made to the foregoing embodiment, and details are not described herein.

5A to 5C, the display panel 1 includes a first substrate 100, a plurality of scan lines SL, a plurality of data lines DL, a plurality of switching elements TFT, a plurality of pixel electrodes PE, a plurality of black spacers 120, The second substrate 200 and the plurality of black stripes 210.

In this embodiment, the switching element TFT, the scan line SL, and the data line DL are disposed on the first substrate 100. Referring to FIG. 5A, the first substrate 100 and the components thereon form an active array substrate. In an embodiment, the display panel 1 is a curved display panel, and the first substrate 100 is, for example, one of the substrates in the foregoing embodiments. In an embodiment, the bending direction E of the first substrate 100 is substantially parallel to the extending direction of the data line DL, and the bending direction E is a direction extending along the surface of the first substrate 100. In an embodiment, the first substrate 100 has a bending standard T, and the bending standard T of the first substrate 100 is substantially parallel to the extending direction of the scanning line SL, and the bending direction is substantially perpendicular to the extension of the scanning line SL. Direction, however, the invention is not limited thereto. In some In the embodiment, the extending direction of the scanning line SL may have an angle with the bending standard T, and the included angle is about -45 degrees to 45 degrees. In some embodiments, the extending direction of the data line DL may have an angle with the bending standard T and an included angle of about 80 to 100 degrees.

Referring to FIG. 5A and FIG. 5C simultaneously, the switching element TFT includes a gate G, a gate insulating layer GI, a channel layer CH, a source S, and a drain D. The gate G is formed on the first substrate 100 and electrically connected to the corresponding scan line SL. The gate insulating layer GI is formed on the gate G and the first substrate 100. The channel layer CH is formed on the gate insulating layer GI. The source S and the drain D are formed on the channel layer CH and electrically connected to the channel layer CH, respectively. The channel layer CH is a single layer or a multilayer structure including amorphous germanium, polycrystalline germanium, microcrystalline germanium, single crystal germanium, organic semiconductor material, oxide semiconductor material (for example: indium zinc oxide, indium antimony zinc oxide, or Other suitable materials, or combinations thereof, or other suitable materials, or containing dopants in the above materials, or combinations thereof. In an embodiment, the source S, the drain D, and the channel layer CH may have an ohmic contact layer R therebetween. The source S is electrically connected to the corresponding data line DL. The insulating layer 110 is formed on the switching element TFT and has an opening O1 corresponding to the drain D. The pixel electrode PE is located in the pixel area PU, and at least a part of the pixel electrode PE is filled in the opening O1 and electrically connected to the drain D.

The black spacers 120 are disposed on the first substrate 100, and the black spacers 120 have a thickness of 0.6 micrometers to 2.5 micrometers. In the present embodiment, the black spacer 120 has an optical density value (OD value) of more than 0.9/μm, preferably about 1.2/μm. In the present embodiment, the black spacer 120 has a function of maintaining a liquid crystal layer gap in addition to a function of shielding light leakage and avoiding color mixture. In an embodiment, After the scan line SL, the data line DL, the switching element TFT, and the pixel electrode PE are formed, the black spacer 120 is formed. Therefore, in the active array substrate processing stage, the black spacer 120 does not interact with the material of the foregoing element. Therefore, problems such as a drop in yield can be avoided.

In this embodiment, the black spacers 120 are formed on the insulating layer 110, and the plurality of black spacers 120 may not be connected to each other. The black spacers 120 at least partially shield the scanning lines SL, and do not completely shield the data lines DL, that is, the black spaces. The device 120 at least shields a portion of the scan line SL and overlaps the mask scan line SL and the data line DL. Since the width of the scan line SL is larger than the width of the data line DL, the black spacer 120 is designed to be used only for the corresponding mask scan line SL. It is easier to achieve in the process. In an embodiment, the black spacer 120 also shields the switching element TFT. In the present embodiment, the extending direction 120D of the black spacer 120 is substantially parallel to the extending direction of the scanning line SL. In an embodiment, the extending direction 120D of the black spacer 120 forms an angle θ with the extending direction TD of the bending standard T, the angle θ 1 may be -45 degrees to 45 degrees, and the angle θ 1 is preferably about 0 degrees. . In the present embodiment, the black spacer 120 is linear or linear, but the invention is not limited thereto. The black spacer 120 may also be a zigzag, a combination of multiple twill, or other suitable. shape.

The second substrate 200 is disposed relative to the first substrate 100. In one embodiment, the second substrate 200 is, for example, one of the substrates in the foregoing embodiment, and the curved center and the curved center of the second substrate 200 correspond to the curved center of the first substrate 100 and the center of the curved surface.

Referring to FIG. 5C, the second substrate 200 and the first substrate 100 are displayed. Show media DM. In some embodiments, display medium DM can include liquid crystal molecules, electrophoretic display media, or other suitable media.

Referring to FIG. 5B and FIG. 5C , in the embodiment, a plurality of black stripes 210 and a plurality of spacers 220 are disposed on the second substrate 200 , and the black stripes 210 are located between the spacers 220 and the second substrate 200 . The black lines 210 may not be connected to each other. In one embodiment, the spacers 220 respectively overlap the black spacers 120 on the first substrate 100 and the corresponding black stripes 210 on the second substrate 200, and the spacers 220 are located between the black stripes 210 and the black spacers 120. In an embodiment, the spacer 220 overlaps with a portion of the switching elements TFT. In an embodiment, the spacer 220 is cylindrical, but the invention is not limited thereto. In other embodiments, the spacers 220 are strips or other geometric shapes.

In this embodiment, the black stripes 210 at least partially shield the data lines DL, and do not completely shield the scan lines SL, that is, the black lines 210 at least partially shield the partial data lines DL and the overlapping of the shadow scan lines SL and the data lines DL. The extending direction 210D of the black stripes 210 is different from the extending direction 120D of the black spacers 120. In the present embodiment, the extending direction 210D of the black stripes 210 is substantially parallel to the extending direction of the data lines DL. In the present embodiment, the extending direction 210D of the black stripes 210 is substantially parallel to the bending direction E of the second substrate 200 (or the first substrate 100). The extending direction 210D of the black line 210 forms an angle θ 2 with the extending direction TD of the bending standard T, the angle θ 2 may be 80 degrees to 100 degrees, and the angle θ 2 is preferably about 90 degrees.

In the present embodiment, at least one black strip 210 includes a first block A1 and a second block A2 that connects the first block A1. The first block A1 overlaps at least one The switching element TFT and the at least one spacer 220. In one embodiment, the first block A1 has a width W1 of 15 micrometers to 60 micrometers, the second block A2 has a width W2 of 5 micrometers to 20 micrometers, and the first block A1 has a width W1 greater than the second block A2. The width is W2. In this embodiment, since the black stripes 210 have the first block A1 and the second block A2 of different widths, the spacers 220 are more easily aligned with the first block A1, thereby improving the process yield of the product.

Referring to FIG. 5B, the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 are separated by the black lines 210. The arrangement direction of the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 is substantially parallel to the bending standard T of the second substrate 200 (or the first substrate 100). In an embodiment, the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 are a red filter pattern, a green filter pattern, and a blue filter pattern, respectively.

In this embodiment, the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 are disposed on the second substrate 200, and the second substrate 200 and the upper component thereof constitute a color filter substrate, first The color pattern column 232, the second color pattern column 234, and the third color pattern column 236 are color filter elements, but the invention is not limited thereto. In other embodiments, the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 may be disposed in the backlight module of the display panel without being disposed in the display panel, and the first color pattern column 232 The second color pattern column 234 and the third color pattern column 236 are a red light source, a green light source, and a blue light source, respectively, and can be applied to a Field Sequential Liquid Crystal Display. In some embodiments, the display panel or the backlight module includes more than three types. The color pattern column, the present invention is not limited to only three color pattern columns, and the display panel may include a red color filter pattern, a green filter pattern, a blue filter pattern, and a white filter pattern to form four color pattern columns.

The display panel 1 according to at least one embodiment of the present invention includes black spacers 120 and black stripes 210 having different extending directions, and black spacers 120 and black stripes 210 are disposed on the first substrate 100 and the second substrate 200, respectively. Since the black spacer 120 is substantially parallel to the bending standard T, and the black stripes 210 are substantially parallel to the bending direction E, it is possible to reduce the light leakage or color mixing problem while maintaining the brightness of the display panel 1. The display panel 1 (or the first substrate 100 and the second substrate 200 in the display panel 1) may have a smaller curved radius.

6A is a top plan view of a substrate and components thereon in a display panel in accordance with an embodiment of the invention. 6B is a top plan view of another substrate and its upper components in a display panel in accordance with an embodiment of the invention. It should be noted that the embodiment of FIGS. 6A and 6B follows the component numbers and parts of the embodiment of FIGS. 5A to 5C, wherein the same or similar reference numerals are used to denote the same or similar elements, and the same is omitted. Description of the technical content. For the description of the omitted part, reference may be made to the foregoing embodiment, and details are not described herein.

Referring to FIGS. 6A and 6B, the switching element TFT, the scan line SL, and the data line DL are disposed on the first substrate 100. In the present embodiment, the bending direction E of the first substrate 100 is substantially parallel to the extending direction of the scanning line SL. In this embodiment, the first substrate 100 has a bending standard T, the bending standard T is substantially parallel to the extending direction of the data line DL, and the bending direction E is substantially perpendicular to the extension of the data line DL. to. In some embodiments, the direction in which the data lines DL extend may have an angle with the bending standard T, and the included angle is about -45 degrees to 45 degrees. In some embodiments, the extending direction of the scan line SL may have an angle with the bending standard T, and the included angle is about 80 to 100 degrees.

In the present embodiment, the extending direction of the black spacer 120 is substantially parallel to the extending direction of the data line DL. The black spacer 120 is substantially parallel to the bending standard T.

In the present embodiment, the direction in which the black stripes 210 extend is different from the direction in which the black spacers 120 extend. The extending direction of the black stripes 210 is substantially parallel to the extending direction of the scanning line SL. The extending direction of the black stripes 210 is substantially parallel to the bending direction E of the second substrate 200 (or the first substrate 100).

Referring to FIG. 6A, the first substrate 100 and the components thereon form an active array substrate; referring to FIG. 6B, the second substrate 200 and the components thereon form a color filter substrate. In this embodiment, a display panel is formed after the active array substrate and the color filter substrate are assembled. The display panel provided in this embodiment includes black spacers 120 and black stripes 210 having different extending directions, and the black spacers 120 and the black stripes 210 are respectively disposed on the first substrate 100 and the second substrate 200. Since the black spacer 120 is substantially parallel to the bending standard T, the black stripes 210 are substantially parallel to the bending direction E. Therefore, it is possible to reduce the light leakage or color mixing problem while maintaining the brightness of the display panel. The display panel of the present embodiment (or the first substrate 100 and the second substrate 200 in the display panel) may have a smaller curved surface radius.

7A is a top plan view of a substrate and its upper components in a display panel in accordance with an embodiment of the invention. Figure 7B is a diagram of an embodiment of the present invention A top view of another substrate in the display panel and its upper components. It should be noted that the embodiment of FIGS. 7A and 7B follows the component numbers and parts of the embodiment of FIGS. 6A and 6B, wherein the same or similar reference numerals are used to denote the same or similar elements, and the same is omitted. Description of the technical content. For the description of the omitted part, reference may be made to the foregoing embodiment, and details are not described herein.

Referring to FIG. 7A and FIG. 7B, the display panel includes a first substrate 100, a plurality of scan lines SL, a plurality of data lines DL, a plurality of switching elements TFT1, a plurality of switching elements TFT2, a plurality of pixel electrodes PE1, and a plurality of pictures. The element electrode PE2, the plurality of black spacers 120, the second substrate 200, and the plurality of black lines 210. Referring to FIG. 7A, the first substrate 100 and the components thereon form an active array substrate; referring to FIG. 7B, the second substrate 200 and the components thereon form a color filter substrate. In this embodiment, a display panel is formed after the active array substrate and the color filter substrate are assembled.

Referring to FIG. 7A, the scan line SL, the data line DL, the switching element TFT1, the switching element TFT2, the pixel electrode PE1, and the pixel electrode PE2 are located on the first substrate 100. In the present embodiment, each pixel area PU corresponds to one pixel electrode PE1, one pixel electrode PE2, one switching element TFT1, and one switching element TFT2. In some embodiments, two independently switchable switching elements TFT1, TFT2 and corresponding pixel electrodes PE1, PE2 may constitute one pixel. The active array substrate in this embodiment adopts a half source driving (HSD).

In the present embodiment, the switching element TFT1, the switching element TFT2, the scanning line SL, and the data line DL are disposed on the first substrate 100. The bending direction E of the first substrate 100 is substantially parallel to the extending direction of the scanning line SL. The first substrate 100 has a bend The folding standard T is substantially parallel to the extending direction of the data line DL, and the bending direction E is substantially perpendicular to the extending direction of the data line DL. In some embodiments, the direction in which the data lines DL extend may have an angle with the bending standard T, and the included angle is about -45 degrees to 45 degrees. In some embodiments, the extending direction of the scan line SL may have an angle with the bending standard T, and the included angle is about 80 to 100 degrees.

The switching element TFT1 includes a gate G1, a gate insulating layer, a channel layer CH1, a source S1, and a drain D1. The switching element TFT2 includes a gate G2, a gate insulating layer, a channel layer CH2, a source S2, and a drain D2.

The gate G1 and the gate G2 are formed on the first substrate 100 and electrically connected to the corresponding scan line SL. In this embodiment, the gate G1 and the gate G2 are electrically connected to different scan lines SL, respectively. In this embodiment, the source S1 and the source S2 are electrically connected to the data lines DL of the adjacent rows, respectively. An insulating layer (not shown) is formed on the switching element TFT1 and the switching element TFT2, and has an opening O1 corresponding to the drain D1 and an opening O2 corresponding to the drain D2. The pixel electrode PE1 and the pixel electrode PE2 are located in the pixel region PU, at least part of the pixel electrode PE1 is filled in the opening O1 and electrically connected to the drain D1, and at least part of the pixel electrode PE2 is filled in the opening O2 and is connected to the drain D2 is electrically connected.

In the present embodiment, the black spacers 120 are disposed on the first substrate 100, and the black spacers 120 are formed on the insulating layer, and at least partially shield the data lines DL, and do not completely shield the scan lines SL. In the present embodiment, the extending direction of the black spacer 120 is substantially parallel to the extending direction of the data line DL. In an embodiment, the black spacer 120 is substantially parallel to the bending standard T.

In this embodiment, a plurality of black stripes 210 and a plurality of spacers 220 are disposed on the second substrate 200. In one embodiment, the spacers 220 respectively overlap the black spacers 120 on the first substrate 100 and the corresponding black stripes 210 on the second substrate 200, and the spacers 220 are located between the black stripes 210 and the black spacers 120. In an embodiment, the spacer 220 overlaps with a portion of the switching element TFT1 and a portion of the switching element TFT2. In the present embodiment, the spacers 220 are strip-shaped.

In the present embodiment, the direction in which the black stripes 210 extend is different from the direction in which the black spacers 120 extend. In the present embodiment, the extending direction of the black stripes 210 is substantially parallel to the extending direction of the scanning lines SL. In the present embodiment, the extending direction of the black stripes 210 is substantially parallel to the bending direction E of the second substrate 200 (or the first substrate 100). The first pattern 212 shields at least part of the scan lines SL and does not completely shield the data lines DL.

The difference from the foregoing embodiment is that, in this embodiment, there are two black stripes 210 patterns, the first pattern 212 and the second pattern 214 have the same extending direction, and the first pattern 212 shields the scan line SL but is not complete. The data line DL is shielded, the second pattern 214 does not obscure the scan line SL, and the second pattern 214 substantially obscures the area between the pixel electrode PE1 and the pixel electrode PE2 in the pixel area PU. The first pattern 212 and the second pattern 214 may have different widths. The first pattern 212 and the second pattern 214 may be staggered.

In the present embodiment, the first pattern 212 includes a first block A1 and a second block A2 that connects the first block A1. The first block A1 is overlapped with at least one switching element TFT1, at least one switching element TFT2, and at least one spacer 220. The second pattern 214 does not have the first block A1 and the second area connecting the first block A1 Block A2. In one embodiment, the width W1 of the first block A1 is 15 micrometers to 60 micrometers, the width W2 of the second block A2 is 5 micrometers to 20 micrometers, and the width of the first block A1 is greater than that of the second block A2. width. Since the first pattern 212 has the first block A1 and the second block A2, the spacer 220 is more easily aligned with the first block A1, thereby improving the process yield of the product.

Referring to FIG. 7B , the first color pattern column 232 , the second color pattern column 234 , and the third color pattern column 236 are disposed on the second substrate 200 and separated by the black lines 210 . The arrangement direction of the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 is substantially parallel to the bending standard T of the second substrate 200 (or the first substrate 100). In an embodiment, the first color pattern column 232, the second color pattern column 234, and the third color pattern column 236 are a red filter pattern, a green filter pattern, and a blue filter pattern, respectively. In some embodiments, the display panel includes more than three color pattern columns, and the invention is not limited to only three color pattern columns.

FIG. 8A is a top plan view of a substrate and its upper components in a display panel according to an embodiment of the invention. FIG. FIG. 8B is a top plan view of another substrate and its upper components in a display panel according to an embodiment of the invention. FIG. Fig. 8C is a schematic cross-sectional view of the display panel corresponding to the line AA' of Fig. 8A and the line BB' of Fig. 8B. It should be noted that the embodiments of FIGS. 8A, 8B, and 8C follow the component numbers and portions of the embodiment of FIGS. 5A and 5B, wherein the same or similar reference numerals are used to denote the same or similar elements, and Description of the same technical content is omitted. For the description of the omitted part, reference may be made to the foregoing embodiment, and details are not described herein.

Referring to FIG. 8A , FIG. 8B and FIG. 8C , the spacer 220 of the display panel 2 is disposed on the first substrate 100 , and the black spacer 120 is located between the spacer 220 and the first substrate 100 .

Referring to FIG. 8A and FIG. 8C, at least one black spacer 120 includes a first width portion B1 and a second width portion B2 connecting the first width portion B1. The first width portion B1 and the second width portion B2 are exemplified by staggered arrangement. . The first width portion B1 overlaps the at least one switching element TFT and the at least one spacer 220. In one embodiment, the width W3 of the first width portion B1 is 10 micrometers to 40 micrometers, the width W4 of the second width portion B2 is 2.5 micrometers to 10 micrometers, and the width W3 of the first width portion B1 is greater than the second width portion B2. The width of W4. Since the black spacer 120 has the first width portion B1 and the second width portion B2, the spacer 220 is more easily aligned with the first width portion B1, thereby improving the process yield of the product.

The display panel 2 provided by at least one embodiment of the present invention includes black spacers 120 and black stripes 210 having different extending directions, and the black spacers 120 and the black stripes 210 are respectively disposed on the first substrate 100 and the second substrate 200. Since the black spacer 120 is substantially parallel to the bending standard T, the black stripes 210 are substantially parallel to the bending direction E. Therefore, it is possible to reduce the light leakage or color mixing problem while maintaining the brightness of the display panel 2. Therefore, the display panel 2 (or the first substrate 100 and the second substrate 200 in the display panel 2) may have a smaller curved radius.

In summary, the display panel of at least one embodiment of the present invention includes black spacers and black stripes having different extending directions, and black spacers and black stripes are respectively disposed on the first substrate and the second substrate. Since the black spacer is substantially parallel to the bend The standard is folded, and the black lines are substantially parallel to the bending direction. Therefore, it is possible to reduce the light leakage or color mixing problem while maintaining the brightness of the display panel. The display panel can have a smaller surface radius.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

Claims (14)

A display panel includes: a first substrate; a plurality of scan lines and a plurality of data lines disposed on the first substrate; a plurality of black spacers disposed on the first substrate, and each of the black spacers The thickness of the substrate is 0.6 micrometers to 2.5 micrometers; a second substrate is disposed relative to the first substrate; a plurality of black stripes are disposed on the second substrate, and the extending direction of the black stripes and the extension of the black spacers The direction is different; and a plurality of spacers are disposed on the second substrate, and the black stripes are located between the spacers and the second substrate. The display panel of claim 1, wherein the black spacers at least partially shield the scan lines and not completely shield the data lines. The display panel of claim 1, wherein the black spacers at least partially shield the data lines and not completely shield the scan lines. The display panel of claim 1, further comprising: a plurality of switching elements disposed on the first substrate, wherein the spacers overlap with a portion of the switching elements; wherein at least some of the black stripes a method comprising: a first block, overlapping at least one of the switching elements and at least one of the plurality of spacers, and the first block has a width of 15 micrometers to 60 micrometers; A second block is connected to the first block, and the second block has a width of 5 micrometers to 20 micrometers, and a width of the first block is greater than a width of the second block. The display panel of claim 1, further comprising: a plurality of switching elements disposed on the first substrate, wherein the spacers overlap with a portion of the switching elements; wherein the black spacers At least one includes: a first width portion overlapping at least one of the switching elements and at least one of the plurality of spacers, the first width portion having a width of 10 micrometers to 40 micrometers; and a second width portion And connecting the first width portion, and the width of the second width portion is 2.5 micrometers to 10 micrometers. A display panel includes: a first substrate having a first bending standard; a plurality of scanning lines and a plurality of data lines disposed on the first substrate; and a plurality of black spacers disposed on the first substrate a second substrate disposed relative to the first substrate; a plurality of black lines are substantially perpendicular to the first bending standard, disposed on the second substrate, and the black stripes extend in a direction away from the black spaces The extending direction of the pieces is different; a first color pattern column, a second color pattern column, and a third color pattern column, the arrangement direction is substantially parallel to the first bending standard; and a plurality of spacers are disposed on the first On the two substrates, the black stripes are located between the spacers and the second substrate. The display panel of claim 6, wherein the first substrate further has a second bending standard parallel to the first bending standard, the first bending standard and the second bending standard corresponding to To the center of the different surfaces. The display panel of claim 7, wherein the first substrate further has a third bending standard parallel to the first bending standard and the second bending standard, the first bending standard, The second bending standard and the third bending standard correspond to different surface centers. The display panel of claim 8, wherein the first bending standard, the second bending standard, and the third bending standard correspond to the same curved radius. The display panel of claim 6, wherein the black stripes at least partially shield the data lines and do not completely shield the scan lines. The display panel of claim 6, wherein each of the black spacers has a thickness of from 0.6 micrometers to 2.5 micrometers. A display panel includes: a first substrate; a plurality of scan lines and a plurality of data lines disposed on the first substrate; a plurality of black spacers disposed on the first substrate, and each of the black spacers The thickness of the substrate is 0.6 micrometers to 2.5 micrometers; a second substrate is disposed relative to the first substrate; a plurality of black stripes are disposed on the second substrate, and the extending direction of the black stripes and the extension of the black spacers Different directions; a plurality of switching elements disposed on the first substrate; and a plurality of spacers overlapping with a portion of the switching elements, wherein at least one of the black stripes comprises: a first block overlapping the switching elements At least one of the at least one of the spacers, and the first block has a width of 15 micrometers to 60 micrometers; and a second block connecting the first block, and the second block The width is from 5 micrometers to 20 micrometers, and the width of the first block is greater than the width of the second block. A display panel includes: a first substrate; a plurality of scan lines and a plurality of data lines disposed on the first substrate; a plurality of black spacers disposed on the first substrate, and each of the black spacers The thickness of the substrate is 0.6 micrometers to 2.5 micrometers; a second substrate is disposed relative to the first substrate; a plurality of black stripes are disposed on the second substrate, and the extending direction of the black stripes and the extension of the black spacers a plurality of switching elements disposed on the first substrate; and a plurality of spacers overlapping with a portion of the switching elements, wherein at least one of the black spacers comprises: a first width portion overlapping At least one of the switching elements and at least one of the plurality of spacers, the first width portion having a width of 10 micrometers to 40 micrometers; a second width portion connecting the first width portion and having a width of 2.5 micrometers to 10 micrometers. A display panel includes: a first substrate having a first bending standard, a second bending standard, and a third bending standard, the second bending standard being parallel to the first bending standard, the first The third bending standard is parallel to the first bending standard and the second bending standard, and the first bending standard, the second bending standard and the third bending standard correspond to different curved center; a plurality of scanning a plurality of black lines are disposed on the first substrate; a second substrate is disposed relative to the first substrate; and the plurality of black lines are substantially perpendicular to the first substrate The first bending standard is disposed on the second substrate, and the black stripes extend in a direction different from the extending direction of the black spacers; and a first color pattern column, a second color pattern column, and a The third color pattern column is arranged substantially parallel to the first bending criterion.