TW201042298A - Polarizer, liquid crystal display panel, and liquid crystal display module - Google Patents

Abstract

A polarizer, a liquid crystal display (LCD) panel, and an LCD module are provided. The polarizer adhered to a substrate of the LCD panel with a conductive adhesive includes a body and a protrusion. The protrusion is connected with the edge of the body. The conductive adhesive is coated on a surface of the polarizer to adhere the polarizer to the substrate. When the polarizer is adhered to the substrate with the conductive adhesive, at least one part of the protrusion is not adhered to the substrate. In the LCD module, the protrusion surface of the polarizer coated with the conductive adhesive is connected with a metal front bezel through a conductive connector. Therefore, the LCD panel is able to be protected from damaging by the charges on the surface of the polarizer in the assembly of the LCD.

Description

201042298 rw〇^>H〇m^lTW 29509twf.doc/n VI. Description of the invention: [Technical field of invention] This hair is wrapped around a kind of polarized light #, liquid crystal does not pull group 'and has _ liquid crystal display Panel and liquid (4) Polarimeter for Lectra, [Previous technology] Display?! Therefore, the industry is fully committed to the related quality and the maturity of the cathode ray tube is excellent, so the long-term exclusive display 2 2! T recently due to the rise of the concept of green environmental protection for its energy consumption j The characteristics of generating a large amount of radiation, together with the space and limits of productization, cannot meet the market trend of light, thin, short, small, beautiful and low power consumption. Therefore, Thin Film Transistor Liquid Crystal Display (TFT-LCD), which has superior characteristics such as high enthalpy efficiency, low power consumption, and no ||shooting, has gradually become the mainstream in the market. In the case of a thin film transistor liquid crystal display, it is mainly composed of a liquid crystal display panel and a backlight module. The liquid crystal display panel is generally composed of a thin film transistor array substrate, a color filter substrate, and a liquid crystal layer disposed between the two substrates. . After the completion of the assembly of the liquid crystal display panel, the polarizer attachment process is often performed. In general, the polarizer is antistatically treated with a polarizer. viZITW 29509twf.doc/n o o 201042298 ^ ', and the liquid crystal display panel is destroyed by the polarizing process remaining on the surface of the polarizer when the protective film is on the film. Usually, in the conventional electrostatic treatment of the == clothing, the coating will first be applied on the polarizer, and the anti-J 'between the polarizer and the metal front frame will be electrically conductive 4:: pull the i to generate a conductive loop' to The residual charge on the surface of the polarizer is exported. The cost of the electrode is relatively expensive, which often makes it possible to increase the manufacturing cost of the polarizer and increase the manufacturing cost. The liquid surface is not visible on the surface of the liquid [Invention] The material, the material surface ^ (4) Antistatic place p 乂 掉 掉 余 余 , , , , , , , , , , , , , , , , , , , , , , , , , , , First film - over ΐ ?: ? for a liquid crystal display panel, the surface of which is attached to the above-mentioned polarizer without electrical treatment, can reduce the production of the liquid crystal display panel to provide a face-to-face display, including the above liquid crystal display制作The production cost of the LCD module is reduced. A polarizer is provided which is attached to the substrate by means of a conductive material, and a body and a projection. The protruding portion is connected to the edge of the body, and when the first piece is attached to the substrate by the conductive material, at least a portion of the protruding portion is not attached to the substrate. This & month provides a liquid crystal display panel, which includes a first substrate, the first 201042298

1TW 29509twf.doc/n Two substrates, a liquid crystal layer, a first polarizer, a second polarizer, and a conductive paste. The second substrate is disposed on the first substrate. The liquid crystal layer is located between the first substrate and the second substrate. The first polarizer is disposed on a side of the first substrate away from the liquid crystal layer. The second polarizer is disposed on a side of the second substrate away from the liquid crystal layer, and the first polarizer includes a body and a protrusion. The projection is continued from the edge of the body. The conductive paste is applied on the first surface of the second polarizer such that the body is attached to the second substrate ′ and at least a portion of the projection is not attached to the second substrate. The present invention provides a liquid crystal display module comprising a backlight module, a liquid crystal display panel, a metal front frame, a metal back plate, and a connecting member. The liquid BB display panel is disposed on the backlight module, and includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer, a second polarizer, and a conductive paste. The second substrate is disposed on the first substrate. The liquid crystal layer is located between the first substrate and the second substrate. The first polarizer is disposed on a side of the first substrate away from the liquid crystal. The second polarizer is disposed on a side of the second substrate away from the liquid crystal layer, and the second polarizer has a first surface and a second surface. And includes a body and a protrusion. ^ Here, the projection continues to the edge of the body. The conductive paste is coated on the first surface of the polarizer such that the body is attached to the second substrate, and the region is not attached to the second substrate. The metal front frame is placed on the side. The metal f-plate is arranged below the twilight module, and with two ridges;: part: Ϊ Ϊ Ϊ and LCD panel. The connecting member connection bit == and the metal front frame, and the connecting member is - guide 导出 to discharge the residual charge on the surface of the polarizer. . 201042298_TW 29509twf.doc/n In an embodiment of the invention, the body is rectangular in shape and the projection is located at a corner of the body. In an embodiment of the invention, the body is rectangular in shape and the projection is located at a central portion of one of the edges of the body. In an embodiment of the invention, the body is rectangular in shape and the projection is located at one edge of the body and near the corner. In an embodiment of the invention, the above-mentioned projections are square, long square, sector, semi-circular or other shape. In an embodiment of the invention, the connecting member is a flexible conductive tape. In an embodiment of the invention, the connecting member extends further between the metal front frame and the metal backing plate. In an embodiment of the invention, the connecting member is a metal gasket. In an embodiment of the present invention, the protrusion of the second polarizer is further folded to the body of the second polarizer such that a portion of the second surface of the body and the portion located at the protrusion are located. The second surface contacts and the first surface of the projection is in contact with the first surface of the metal spacer, and the second surface of the metal spacer is in contact with the metal front frame. In an embodiment of the invention, the backlight module is a side-lit backlight module. In an embodiment of the invention, the backlight module is a continuous backlight module. In an embodiment of the invention, the first substrate is an active device array substrate. 201042298 rusuzy^iv^lTW 29509twfdoc/n The hairpin array substrate is a tantalum transistor array substrate. 3 In the embodiment of the present invention, the liquid crystal display module further comprises a plastic tile, the § & placed on the metal back plate, and the metal front frame and the plastic frame sandwich the liquid crystal display panel, (4) frame and metal The polarizing plate design of the present invention can be avoided because the surface of the liquid crystal display panel of the present invention does not need to pass through, the polarizer is processed, and the grounding phase of the polarizing film leads to excess electricity. The liquid crystal display panel is destroyed by the surface (4) charge on the panel. Therefore, the price of the liquid crystal display surface of the polarizer that has not been subjected to the antistatic treatment is lower; and the liquid crystals can be further improved to make the above features and advantages of the present invention more obvious and easy to understand. Palladium examples, sub-joined with the drawings, are described in detail below. [Embodiment] 闰L1A is a top view of a liquid crystal display panel of the present invention-embodiment, and FIG. 1B is a cross-sectional view along the line of the face of the brother Dingxin + 音 FI咕巧* a X1_X1 in FIG. 1A. 1A and FIG. 1B 'The liquid crystal display of the present embodiment is 12°, and the color illuminating base f62. - liquid solar layer (10) ... lower polarizer _ and - upper polarizer side, 122 arrangement - above the film transistor array substrate 120 and 'night crystal layer 140 is matched with the post-converter + position on the substrate array 120 Color 29509twf, doc/a

201042298ivK1TW between the color filter substrates 122. Further, the lower polarizer 16A and the upper polarizer 162 are disposed on one side of the thin film transistor array substrate 12 and the color filter substrate 122, respectively, away from the liquid crystal layer 140. In detail, the upper polarizer 162 is attached to the color filter substrate 122 by the conductive paste 168, and the upper polarizer 162 includes a body 164 and a protrusion 166. As can be seen from Fig. 1A, the projection 166 is, for example, rectangular and is connected to a central portion of one of the edges of the rectangular body 164. Of course, in other embodiments, the protruding portion 166 may be connected to other portions of the edge of the rectangular body 164, and the present invention is not limited to the conductive adhesive 168 being applied to a first surface 180 of the upper polarizer 162. The body 164 is attached to the color filter substrate 122. In this embodiment, after the coating of the conductive paste 168 is completed, the first contact surface 168a is attached to the first surface 180, and the second contact surface i68b is attached to the surface of the color filter substrate 122 away from the liquid crystal layer 140. . It is to be noted that when the upper polarizer 162 is attached to the substrate 122 by the conductive paste 168, the region S1 of the projection 166 is not attached to the color filter substrate 122. Further, in the present embodiment, the projection 166 is a rectangle, and in other embodiments, the projection 166 may also be square, fan-shaped, semi-circular or other shape. In the following embodiments and the drawings, the same or similar reference numerals are used for the same or similar elements to simplify the description. Fig. 2A is a top plan view of a liquid crystal display panel according to another embodiment of the present invention, and Fig. 2B is a cross-sectional view taken along line X2-X2' of Fig. 2A. Referring to FIG. 2A and FIG. 2B simultaneously, the liquid crystal display panel 200 of the present embodiment is similar to the liquid crystal display panel 100 of the above embodiment, but the main difference is that the second 9 201042298 FUSU^y^tsM^iTW 29509twf.doc/n In the liquid crystal display panel 200, the protruding portion 266 is a rectangle and is connected to one of the edges of the rectangular body 264 and adjacent to the corner. Fig. 3A is a top plan view of a liquid crystal display panel according to still another embodiment of the present invention, and Fig. 3B is a cross-sectional view taken along line X3-X3' of Fig. 3A. Referring to FIG. 3A and FIG. 3B, the liquid crystal display panel 300 of the present embodiment is similar to the liquid crystal display panel 100 of the above embodiment, but the main difference is that in the liquid crystal display panel 300, the protruding portion 366 is connected to A corner of the rectangular body 364. In other embodiments, the projections 266, 366 can also be rectangular, square 'fanned, semi-circular, or other shapes. It should be noted that when the polarizers 262 and 362 on the liquid crystal display panels 200 and 300 are attached by the conductive pastes 268 and 368 and the color filter substrates 222 and 322, the regions S2 and S3 of the protrusions 266 and 366 are not Attached to the color filter substrates 222, 322. The group 420 is, for example, a side-into-light backlight module or a group. Fig. 4 is a schematic view showing the structure of a liquid crystal display module according to an embodiment of the present invention. Referring to FIG. 4 , the liquid crystal display module 4 of the present embodiment includes a backlight module 420 , a liquid crystal display panel 1 , a metal front frame 44 , a metal back plate 442 , a plastic frame 428 , and a The connecting member 460, wherein the backlight mode is a direct type backlight module. In this embodiment, the liquid crystal display module 400 is a side-lit backlight panel 100.

The module and the liquid crystal priest of Figure 1B and 柘1 00 people.. In the example, 10 29509twf.doc/n

201042298, iViZ1TW Of course, those skilled in the art should know that the liquid crystal display module 400 further includes other components, but the following only lists the components related to the present invention for illustration. When the backlight module 420 is in the side light input mode, the backlight module 420 is composed of a light guide panel (LGP) 422, a light source 424, and a reflector 426. The light source 424 is, for example, a cold cathode fluorescent lamp or a light emitting diode array, and when the light source 424 is a cold cathode fluorescent lamp, the light source 424 is a linear light source. The function of the light guide plate 422 is to convert the linear light emitted by the light source 424 located on the side to the surface light source type to ensure that the liquid crystal display panel 100 obtains light of uniform brightness. The reflector 426 is disposed adjacent to the light source 424 and covers the light source 424 to concentrate the light emitted by the light source 424 and direct the light into the light guide plate 422. In particular, in order to prevent some of the light in the light guide plate 422 from being used, a reflector 430 is disposed under the light guide plate 422 to improve the light utilization efficiency of the backlight module 420. In addition, in the embodiment, at least one optical film 432 is disposed between the backlight module 420 and the liquid crystal display panel 1 to improve the brightness of the backlight module 420 and the uniformity of light emission. For example, the optical film 432 is, for example, a combination of a diffusion sheet, a prism sheet, a brightness enhancement sheet, and the like. Referring to FIG. 4, the metal front frame 440 and the metal back plate 442 are disposed above the liquid crystal display panel 1A and below the backlight module 42A, and are disposed on the metal back plate 442. The metal front frame 440 and the metal back plate 442 are used to hold the liquid crystal display panel 1 and the backlight module 420 to fix the components of the liquid crystal display panel 1 and the backlight module 42. 201042298 ruou^^^tuivi^ lTW 29509twf.doc/n pieces. Further, the plastic frame 428 is disposed between the liquid crystal display panel 1 and the backlight module 420 so that the liquid crystal display module 4 has a good display effect. Referring to FIG. 1A, FIG. 1B and FIG. 4 simultaneously, the upper polarizer 162 substantially has a second surface 182 opposite to the first surface 180. The conductive adhesive 168 is coated on the first surface of the upper polarizer 162 to make the body paste

Attached to the color filter substrate 122. Further, in the present embodiment, when the conductive paste 168 is attached to the color filter substrate 122, the region S1 of the projection 166 is not attached to the color filter substrate 122. In this way, by the projection 166 of the polarizer 162 on the embodiment, an electrically conductive connecting member 460 can be connected to the second contact surface 丨6 of the conductive paste of the protruding portion 166. On the same day, the other end of the connecting member 460 is connected to the metal front frame 44A. It is to be noted that the connecting member 46 of the present embodiment is, for example, a flexible conductive tape 460 (flexible COnductive tape). In this embodiment, the flexible guide 460 can extend further between the metal front frame 44A and the metal back plate, but this design is not intended to limit the invention.

One of the details of the residence ’ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ When the protective film on the polarizer is torn off, the static charge remaining on the surface of the upper portion of the 162 will be destroyed by the residual electrostatic charge when assembled through the conductive adhesive. In the process of electrostatic treatment, the process of electrostatic treatment is not necessary, and the process is usually painted, and the cost of the antistatic film is relatively expensive. Therefore, Xi 12 1242 42298, Gu w 29509twf.doc/n technology not only increases the production process, but also increases the production time, and because of this, the cost is increased. In the embodiment, the upper polarizer 162 can achieve the effect of electrostatic protection without additional antistatic treatment, thereby effectively reducing the manufacturing cost of the liquid crystal display panel 100. Fig. 5 is a schematic view showing the structure of a liquid crystal display module according to another embodiment of the present invention. Referring to FIG. 5, the liquid crystal display module 5 of the present embodiment is similar to the liquid crystal display module 4 of the above embodiment, but the main difference is that in the liquid crystal display module 500, the connecting member 560 For a metal gasket ^ 560 (gasket) or conductive cloth. It is to be noted that in the present embodiment, the upper polarizer 162, the protruding portion 166' is further folded to the upper polarizer 162, the body 164, so that a portion of the second surface 182 of the body 164' is located. It is in contact with a portion of the second surface 182 located at the projection 166. That is, the upper polarizer 162, the protruding portion 166, here is folded back to the body 164, so that the protruding portion 166, a portion of the second contact surface 168b coated with the conductive paste 168 and the metal spacer 56 〇 - surface 184 contact. At the same time, the second surface 186 of the metal spacer 56 is in contact with the Q front frame 440. Similarly, in the present embodiment, the connecting member 56 is, for example, a metal spacer 560. The charge remaining on the upper polarizer 162 can be conducted through the metal spacer 560 to the metal front frame 44 by the connection between the conductive paste 168, the metal spacer 56, and the metal front frame 440. Through the grounding δ, the upper polarizer 162' can achieve the effect of electrostatic protection without the antistatic treatment, and at the same time reduce the manufacturing cost of the liquid crystal display panel. The liquid crystal display panel, the liquid crystal display module, and the shape of the polarizer can be variously changed, for example, the liquid crystal display module is as follows: the module is the same as the module The shape of the department = not =. The simple design of the upper shed is only to use "Hui Ming, who has the usual knowledge in this field to implement the invention, and iron is used to define the scope of the present invention. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Moreover, the surface of the liquid crystal display of the present invention and the metal front frame are used to guide off the liquid crystal display surface = when the panel is assembled, and the liquid crystal of the polarizer is __2'/ Pay the advantage of not increasing the price of the LCD module without antistatic. </ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; Attached 'so accurate. The definition of a patented circumference is a simple illustration of the figure] Figure. 1A is a top view of a liquid crystal display panel according to an embodiment of the present invention. 14 201042298

jvlZITW 29509twf.doc/n Figure IB is a cross-sectional view taken along line Χ1-ΧΓ in Fig. 1A. Fig. 2A is a top plan view of a liquid crystal display panel according to another embodiment of the present invention. Fig. 2B is a cross-sectional view taken along the line X2-X2' in Fig. 2A. Fig. 3A is a top plan view of a liquid crystal display panel according to another embodiment of the present invention. Fig. 3B is a cross-sectional view taken along the line X3-X3' in Fig. 3A. Fig. 4 is a schematic view showing the structure of a liquid crystal display module according to an embodiment of the present invention. Fig. 5 is a view showing the configuration of a liquid crystal display module according to another embodiment of the present invention. [Main component symbol description] 100, 200, 300: liquid crystal display panel 120: thin film transistor array substrate 122, 222, 322: color filter substrate 140: liquid crystal layer 160, 162, 162', 262, 362: polarizer 164 , 164, 264, 364: body 166, 166, 266, 366: protrusions 168, 268, 368: conductive adhesive 15 201042298

1TW 29509twf.doc/n 180, 182, 184, 186: surface 400, 500. Liquid crystal display group 420: backlight module 422: light guide plate 430: reflector 424: light source 432: optical die 426: reflector 428: plastic frame 440: metal front frame 442: metal back plate 460, 560: connecting member S, S2, S3: area Χ1-ΧΓ, X2-X2, X3-X3,: hatching

Claims (1)

201042298, ίΖ 1TW 29509twf.doc/n VII. Patent application: 1. A polarizer suitable for attaching to a substrate by a conductive adhesive, the polarizer comprising: a body; and a protrusion splicing At the edge of the body, when the polarizer is attached to the substrate by the conductive paste, at least a portion of the protrusion is not attached to the substrate. 2. The polarizer of claim 1, wherein the body has a rectangular shape and the projection is located at a corner of the body. 3. The polarizer of claim 1, wherein the body is rectangular and the projection is located at a central portion of one of the edges of the body. 4. The polarizer of claim 1, wherein the body is rectangular and the embossing portion is located at an edge of the body and adjacent to a corner. 5. The polarizer of claim 1, wherein the protrusion is square, rectangular, fan-shaped, semi-circular or other shape. Q 6. A liquid crystal display panel comprising: a first substrate; a second substrate disposed on the first substrate; a liquid crystal layer between the first substrate and the second substrate; a first polarized light a second polarizer is disposed on a side of the second substrate away from the liquid crystal layer. The second polarizer includes a body and a protrusion. The protrusion is connected to the edge of the body; and a conductive paste is coated on a surface of the second polarizer to attach the body to the second substrate. And the at least part of the protrusion is not attached to the second substrate. 7. The liquid crystal display panel of claim 6, wherein the body is rectangular and the protrusion is located at a corner of the body. 8. The liquid crystal display panel of claim 6, wherein the body is rectangular and the projection is located at a central portion of one of the edges of the body. 9. The liquid crystal display panel of claim 6, wherein the body is rectangular, and the protrusion is located at an edge of the body and adjacent to the corner. The liquid crystal display panel of claim 6, wherein the projection is square, rectangular, fan-shaped, semi-circular or other shape. a liquid crystal display module, comprising: a backlight module; a liquid crystal display panel disposed on the backlight module, comprising: a first substrate; a second substrate disposed on the first substrate; a liquid crystal layer Between the first substrate and the second substrate; a first polarizer disposed on a side of the first substrate away from the liquid crystal layer; a second polarizer disposed on the second substrate away from the liquid crystal layer On one side, the second polarizer has a first surface and an 18th 201042298 ViZITW 29509 twf.doc/n surface, and includes a body and a protrusion, the protrusion is connected to the body And a conductive adhesive coated on the first surface of the second polarizer to attach the body to the second substrate, wherein at least a portion of the protrusion is not attached to the second substrate Attached; a metal front frame disposed above the liquid crystal display panel; a metal back plate is disposed under the backlight module, and sandwiches the backlight module and the liquid crystal display panel with the metal front frame; and a connecting member connecting the first surface of the protruding portion and the first surface a metal front frame, and the connecting member is a conductive material. &lt; The liquid crystal display module of claim 11, wherein the body is rectangular, and the protrusion is located at a corner of the body. The liquid crystal display module of claim 5, wherein the body of the sea is rectangular and the protrusion is located at the center of the edge of the body 14. The liquid crystal display module of claim 2, wherein the body is rectangular and if it is outside the corner of the body. The state meets the liquid crystal display module described in the U.S. Patent Application No. 5, the convex portion is square, rectangular, fan-shaped, semi-circular or other shape. 16. The liquid crystal display according to the scope of claim U The mold k connecting member is a flexible conductive tape (tape'). ^ 中中 i7/ f Please patent _ the liquid crystal display module described in Item 16, the dragon connecting member extends further between the metal front frame and the metal back plate. &lt; 18. The liquid crystal display module of claim 5, wherein the connecting member is a metal gasket in 19 201042298 i'W 29509twf.doc/n. 19. The liquid crystal display module of claim 18, wherein the protruding portion of the second polarizer is further folded onto the body of the second polarizer such that a portion of the body is located The second surface is in contact with the second surface of the portion of the protrusion, and the first surface of the protrusion is in contact with a third surface of the metal spacer, and the metal spacer is The four surfaces are in contact with the metal front frame. 20. The liquid crystal display module of claim 11, wherein the backlight module is a side-in-light backlight module. 21. The liquid crystal display module of claim 11, wherein the backlight module is a continuous backlight module. 22. The liquid crystal display module of claim 11, wherein the first substrate is an active device array substrate. 23. The liquid crystal display module of claim 21, wherein the active device array substrate is a thin film transistor array substrate. The liquid crystal display module of claim 11, further comprising a plastic frame disposed on the metal back plate, wherein the metal front frame and the plastic frame sandwich the liquid crystal display panel, and the glue The frame and the metal back plate sandwich the backlight module. 20