CN103578371A - Seamless liquid crystal displayer and assembling method - Google Patents
Seamless liquid crystal displayer and assembling method Download PDFInfo
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Abstract
The invention relates to a seamless liquid crystal displayer and an assembling method. The seamless liquid crystal displayer comprises a plurality of liquid crystal substrates. Each liquid crystal substrate comprises a displaying area located in the center, a first non-displaying area and a second non-displaying area, wherein the first non-displaying area and the second non-displaying area surround the displaying area. The seamless liquid crystal displayer further comprises an optical substrate, wherein the optical substrate is installed above the liquid crystal substrates and is used for extending the light emitted from the displaying area to the whole liquid crystal substrate. The first non-displaying area of one liquid crystal substrate is arranged on the second non-displaying area of the neighbor liquid crystal substrate in an overlapping mode. By means of the seamless liquid crystal displayer, a large liquid crystal displayer can be achieved, and the displaying surface of the liquid crystal displayer is not affected by splicing seams.
Description
Technical field
The present invention relates to LCD Technology, more particularly, relate to a kind of seamless liquid crystal display and assembling method.
Background technology
Now, the demand of various large scales and oversize display device grows with each passing day, yet the restriction due to the best substrate production size of crystal liquid substrate production line and production technology, crystal liquid substrate size that now can economical production is generally all below 60 inch, the production cost of larger sized single screen liquid crystal display is very high, is difficult to a large amount of popularization and applications.A kind of solution of large scale liquid crystal display is that multi-disc crystal liquid substrate is spliced, and the method that is equipped with suitable backlight constructs large scale liquid crystal display.But, because the edge of every crystal liquid substrate all exists the non-image viewing area of one fixed width, crystal liquid substrate carries out must forming the piece that can not show image after contiguous concatenation, existence due to these pieces, large havoc the integrality of the shown image of this compound liquid-crystal substrate display, had a strong impact on display effect.
Summary of the invention
The object of the invention is to, for existing large scale liquid crystal display, adopt crystal liquid substrate to carry out splicing and can produce piece, affect the defect of image integrity, provide a kind of seamless liquid crystal display and assembling method, to overcome the problems referred to above.
Seamless liquid crystal display provided by the invention, comprises polylith crystal liquid substrate, and every crystal liquid substrate comprises and is positioned at central viewing area and around the non-display area of viewing area; Also comprise and be arranged on every crystal liquid substrate top, for viewing area bright dipping being extended to the optical substrate of monoblock crystal liquid substrate; Non-display area comprises the first non-display area and the second non-display area being oppositely arranged; The first non-display area is layered in the second non-display area top of adjacent crystal liquid substrate.All crystal liquid substrates are combined into stair-stepping stepped construction.
Seamless liquid crystal display of the present invention, the relative optical substrate reference field of described crystal liquid substrate tilts, and angle of inclination is α, and described α is:
The thickness that wherein d is crystal liquid substrate, L
0for the width of crystal liquid substrate, L
1it is the width of the second non-display area.
Seamless liquid crystal display of the present invention, optical substrate top is coated with the first transparent panel, and the bottom surface of crystal liquid substrate is coated with optical diaphragm group and the second transparent panel; Described the first transparent panel, optical diaphragm group and the second transparent panel clamp and fixedly crystal liquid substrate and optical substrate.
Seamless liquid crystal display of the present invention, optical diaphragm group comprises all light film and bright enhancement film.
Seamless liquid crystal display of the present invention, optical substrate comprises near the incidence surface of the concave curved surface of crystal liquid substrate with away from the exiting surface of the convex surface of crystal liquid substrate; Incidence surface is less than or equal to crystal liquid substrate viewing area to the orthogonal projection of optical substrate reference field, and exiting surface is greater than incidence surface; Described incidence surface is connected by end face with exiting surface.
Seamless liquid crystal display of the present invention, the incidence surface of optical substrate is Fresnel Lenses face or plane, exiting surface is Fresnel Lenses face or plane.
Seamless liquid crystal display of the present invention, in stacked two-layer non-display area, the non-display area cloth that is positioned at below is useful on to drive controls viewing area pixel, realizes the winding displacement of image display function.
Seamless liquid crystal display of the present invention, described optical substrate is arranged into optical substrate array, the edge of described optical substrate array is provided with the fixed frame for fixed optics substrate and crystal liquid substrate position, and described fixed frame is fixedly connected with described optical substrate by attachment screw.
Seamless liquid crystal display of the present invention, also comprises the backlight that is arranged on crystal liquid substrate bottom, and described backlight is LED array or luminous tube array.
The present invention also provides a kind of seamless liquid crystal display assembling method, comprises the following steps:
Polylith crystal liquid substrate is set, and every described crystal liquid substrate comprises and is positioned at central viewing area and around the non-display area of described viewing area;
Above crystal liquid substrate every described, install for the bright dipping of described viewing area being extended to the optical substrate of monoblock crystal liquid substrate;
The non-display area dipping bed of described crystal liquid substrate is stacked in to the top of the non-display area of adjacent crystal liquid substrate.
Implement seamless liquid crystal display of the present invention and assembling method, can realize any large-sized liquid crystal display, and the display surface of this liquid crystal display is without the impact of splicing seams, beholder can obtain the viewing experience evenly showing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be described, wherein:
Fig. 1 is the diagrammatic cross-section of the first embodiment of the seamless liquid crystal display of the present invention;
Fig. 2 is the splicing regions enlarged diagram of two crystal liquid substrates in Fig. 1 embodiment;
Fig. 3 is the diagrammatic cross-section of the second embodiment of the seamless liquid crystal display of the present invention;
Fig. 4 is the diagrammatic cross-section of the 3rd embodiment of the seamless liquid crystal display of the present invention;
Fig. 5 is the diagrammatic cross-section of the 4th embodiment of the seamless liquid crystal display of the present invention;
Fig. 6 be dotted portion in Fig. 5 embodiment along A-A to cut-open view;
Fig. 7 is the schematic diagram of the 5th embodiment of the seamless liquid crystal display of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, seamless liquid crystal display of the present invention is elaborated.
Be illustrated in figure 1 the diagrammatic cross-section of the first embodiment of the seamless liquid crystal display of the present invention, in this embodiment, seamless liquid crystal display comprises 3 crystal liquid substrates 200, the zone line of every crystal liquid substrate 200 is viewing area, around this viewing area is non-display area, non-display area comprises the first non-display area 201 and the second non-display area 202, and correspondence is arranged on both sides, viewing area.The every crystal liquid substrate 200 identical angle [alpha] that all tilts, the size of this angle is:
Wherein d is the thickness of crystal liquid substrate 200, L
0for the total width of crystal liquid substrate 200, i.e. the beam overall of two non-display areas and middle viewing area, L
1it is the width of the second non-display area 202.
Then the second non-display area 202 of crystal liquid substrate 200 is layered in to the below of the first non-display area 201 of another adjacent with it piece crystal liquid substrate 200, stacked splicing is carried out by identical mode in the stitching portion of all crystal liquid substrates 200, form a stair-stepping stepped construction, in stacked, the second non-display area 202 and the first non-display area 201 overlap completely, and the viewing area of two adjacent crystal liquid substrates 200 can not blocked by two non-display areas.Then an optical substrate 100 is installed on each piece crystal liquid substrate, and all optical substrates 100 have identical optical substrate reference field 400, and this face is parallel with surface level.Preferably, at non-display area place, by fitting piece, optical substrate 100 is fixedly connected with crystal liquid substrate 200, only otherwise affect normal bright dipping.This optical substrate 100 has following optical imagery effect: from the light of the middle position outgoing of the viewing area of crystal liquid substrate 200, will not change the direct outgoing of direction, and it is crooked by optical substrate 100 refractions at the light of edge of display area place outgoing, thereby the orthogonal projection that makes the light of outgoing can cover on the viewing area and non-display area of crystal liquid substrate 200, and the luminous intensity distribution of process optical substrate 100, the first non-display area 201 and the second non-display area 202 can observed person not seen.By the winding displacement 300 in the second non-display area 202 interior layings, drive and control each display pixel of each piece crystal liquid substrate 200, realize the image display function of crystal liquid substrate, thereby, make the display effect of the crystal liquid substrate that the combination display effect of 3 crystal liquid substrates 200 is complete with a monoblock identical.
In the above-described embodiments, by each piece crystal liquid substrate 200 by step structure carry out stacked splicing be for make every crystal liquid substrate all indispensable winding displacement 300 be all positioned at below, be convenient to by winding displacement 300 be connected to below backlight member 700.
In the above-described embodiment, it is that size for fear of optical substrate 100 is inconsistent that the crystal liquid substrate of each piece 200 is tilted: when crystal liquid substrate 200 is concordant with surface level, the exiting surface of each piece crystal liquid substrate 200 is all unequal apart from the distance of optical component reference field 400, causes producing the optical substrate 100 of multiple different size.And mode in employing the present embodiment is spliced, can generate any large-sized liquid crystal display, and the liquid crystal display that the effect of its demonstration is complete with is identical, and the mode of crystal liquid substrate 200 is set by inclination certain angle, avoided needing the optical substrate 100 of different size to set up optical substrate reference field 400 after stacked, the design of the every optical substrate 100 mating with every crystal liquid substrate 200 is identical, in the mass production of product, only need to adopt same set of mould just can complete the making of all optical substrates 100.
If Fig. 2 is in Fig. 1 embodiment, the splicing regions enlarged diagram of two adjacent crystal liquid substrates 200 wherein.Each piece optical substrate 100 comprises near the incidence surface 103 of the concave curved surface of crystal liquid substrate 200 with away from the exiting surface 104 of the convex surface of crystal liquid substrate 200; Incidence surface 103 is less than or equal to the viewing area 203 of crystal liquid substrate 200 to 400 orthogonal projection of optical substrate reference field, 104 of exiting surfaces are greater than incidence surface 103; Incidence surface 103 is connected by the end face 102 tilting with exiting surface 104.From the light of viewing area 203 outgoing of crystal liquid substrate 200, by optical substrate 100, according to the difference of position, carried out two kinds of luminous intensity distributions, obtain effect as shown in phantom in Figure 2: be positioned at 203 centre positions, viewing area over against optical substrate 100 be a roughly uniform thickness transparent optical medium that is roughly parallel to viewing area 200, in this region, the incidence surface 103 of optical substrate 100 and exiting surface 104 all with viewing area 203 almost parallels; And in the position near the first non-display area 201 and the second non-display area 202, the incidence surface of optical substrate 100 and exiting surface are all to the curving of crystal liquid substrate 200, and on the corresponding optical substrate 100 of crystal liquid substrate 200 of same, optical substrate 100 flexibility near the second non-display area 202 1 sides are roughly the same with optical substrate 100 flexibility near the first non-display area 201 1 sides, by adjusting flexibility, can make whole bright dipping even, avoid showing the distortion of image.
As Fig. 3 schematic diagram that is the second embodiment of the present invention, than the first embodiment, in the present embodiment crystal liquid substrate 200 all with optical substrate reference field 400 maintenance levels, only stair-stepping stepped construction is identical with the first embodiment.If now will keep all optical substrates 100 to there is the optical substrate reference field 400 being positioned on same surface level, the height of each optical substrate 100 is not etc., for example, in Fig. 3, the height of 3 optical substrates 100 is from left to right H1, H2, H3, and H1 > H2 > H3; If adopt the optical substrate 100 of equal height, the exiting surface of whole display is by can not be on an identical surface level, and the optical module that need to cover other above optical substrate 100 could be realized single exiting surface.
As Fig. 4 schematic diagram that is the third embodiment of the present invention.The present embodiment has increased the first transparent panel 501 and the second transparent panel 502 for clamping than the first embodiment, also increased optical diaphragm group 600 simultaneously, wherein optical substrate 100 tops are coated with the first transparent panel 501, and the bottom surface of crystal liquid substrate 200 is coated with optical diaphragm group 600 and the second transparent panel 502; This first transparent panel 501, optical diaphragm group 600 and the second transparent panel 502 clampings fixedly crystal liquid substrate 200 and optical substrate 100, form the clamp structure of " sandwich ": centre is the member for bright dipping, outermost two faces are clamping components, and assurance optical substrate 100 and crystal liquid substrate 200 relative positions are fixed.In the present embodiment, the first transparent panel 501 and the second transparent panel 502 require to have good transparency and enough physical strengths, preferred material is tempered glass, the surrounding of transparent plate, adopting suitable structure to carry out mechanical connection fixes again, form a complete optical component, then adopt suitable structure, this optical component is fixed on cabinet member reliably.This embodiment is applicable to crystal liquid substrate and optical substrate to adopt the mode of two-way splicing to form the design of crystal liquid substrate array and optical substrate array.Because the outermost exiting surface of optical substrate 100 is not a burnishing surface, in the process of using in reality, easily there is the situation of dirt accumulation between two adjacent optical substrates 100; And after having increased the first smooth transparent panel 501, the outermost surface of whole liquid crystal display just becomes a plane, there will not be the problem that affects light effect because of dust accretions.Equally, because crystal liquid substrate 200 has adopted stair-stepping overlapped way, be unfavorable for assembling and carrying in modularization production run, by 502 of the second transparent panels are installed, can address this problem.
In addition,, by adding optical diaphragm group 600 can optimize the display effect of liquid crystal display, for example optical diaphragm group 600 can comprise for making the bright dipping of backlight be evenly distributed on all light film on crystal liquid substrate 200 and for reducing the bright enhancement film of light loss.Those skilled in the art can also increase different diaphragms according to actual needs and design and produce various light effect that goes out, for example, add luminous intensity distribution film, the bright dipping of backlight is redistributed, make only to drop on viewing area 203 from the light of backlight outgoing, and non-display area does not have any illumination, be not mapped to, so just can improve the light utilization efficiency that of backlight.Preferably, optical diaphragm group 600 is arranged on the bottom surface near crystal liquid substrate 200, and away from backlight, to avoid the high temperature of backlight to exert an influence to optical diaphragm group 600.
As Fig. 5 schematic diagram that is the fourth embodiment of the present invention.The present embodiment adopts alternative fixed clamp mode to the first embodiment: the method for clamping that does not adopt sandwich, but the edge that changes into optical substrate 100 arrays, by cabinet 802 by optical substrate 100 and crystal liquid substrate 200 and after the position of optical component of the formations such as fixed frame 800 chatted be fixed up.This cabinet 802 is also fixed the backlight 700 that is arranged on crystal liquid substrate 200 bottoms simultaneously together, and the position of all parts in whole liquid crystal display is all fixed, and whole physical strength gets a promotion.In fixing, do not limit the particular type of backlight 700, for example backlight 700 is LED array or luminous tube array, can adopt in such a way and be fixed.
Be illustrated in figure 6 dotted portion in Fig. 5 embodiment along A-A to cut-open view.The non-display area of corresponding crystal liquid substrate 200, at a boss 101 of the marginal portion of optical substrate 100 design, the corresponding installation of non-display area by this boss 101 with crystal liquid substrate 200, that is: boss 101 correspondences are connected on the non-display area of crystal liquid substrate 200, then optical diaphragm group 600 is arranged to crystal liquid substrate 200 belows, Zai edge arranges a fixed frame 800, and by the fixation of attachment screw 801, realize optical substrate 100 arrays, crystal liquid substrate 200 arrays, the combination of optical diaphragm group 600 is installed fixing, form a complete optical component, again this optical component is fixed on cabinet 802 reliably.This embodiment is applicable to crystal liquid substrate 200 and optical substrate 100 to adopt the mode of unidirectional splicing to form the design of crystal liquid substrate array and optical substrate array.The mode that grips of the fixed frame 800 in the present embodiment also can be applied on the clamping device of sandwich, by fixed frame 800, the transparent panel of top and bottom is coupled together by fixed frame 800 and attachment screw 801, further each assembly in immobile liquid crystal display.
In each above embodiment, incidence surface and the exiting surface of optical substrate 100 are shiny surface, the present invention is not limited thereto, and for example, in the schematic diagram of the 5th embodiment shown in Fig. 7, the incidence surface of optical substrate 100 and exiting surface replace original crooked smooth flat with Fresnel Lenses face.The surrounding end face of optical substrate 100 is dip plane, and incidence surface and exiting surface are all Fresnel Lenses face, and incidence surface is less than or equal to the viewing area of crystal liquid substrate 200, and exiting surface is greater than incidence surface.Dotted line in figure is for to send from backlight, and by the viewing area of crystal liquid substrate 200, light after light intensity and color modulation are carried out in viewing area, peripheral part at crystal liquid substrate 200, this light is through twice refraction of optical substrate 100, and change as shown in the figure, intactly directive view direction occur in path, eliminate the shading of stitching portion completely, the complete image of realizing complete seamless shows.Compare with a upper embodiment, the usefulness of the present embodiment is, because the employing of Fresnel Lenses face, the two sides that makes optical substrate can be that flat surfaces, especially exiting surface are flat surfaces, and this can promote the appearance of formed display device.
In the 5th embodiment of Fig. 7, the incidence surface of optical substrate 100 and the enlightenment that exiting surface is Fresnel Lenses face have been provided, those skilled in the art also can expect according to this enlightenment, the exiting surface of concrete optical substrate 100 and incidence surface can be selected arbitrarily between Fresnel Lenses face and smooth crooked burnishing surface, for example incidence surface adopts crooked shiny surface, so that produce a cavity between optical substrate 100 and crystal liquid substrate 200, be conducive to heat radiation, avoid gathering of heat; And on exiting surface, adopt Fresnel Lenses face, exiting surface is exactly a tabular surface like this, more meet user for the demand of display panel, as long as the going out light effect and can meet the corresponding region that the bright dipping of viewing area is extended to whole crystal liquid substrate 200 of optical substrate 100.
In each above-mentioned embodiment, adopted the first non-display area 201 to be layered on the second non-display area 202 of another crystal liquid substrate, form stair-stepping crystal liquid substrate array; Those skilled in the art is to be understood that, the second non-display area 202 of the first non-display area 201 of one crystal liquid substrate and another adjacent crystal liquid substrate can adopt and exchange stacked position: the second non-display area 202 is layered on the first non-display area of adjacent lcd substrate, contrary with above-described embodiment of the vergence direction of crystal liquid substrate 200 now, but still to keep the angle tilting be α.The installation site of winding displacement 300 is changed into the first non-display area 201 from the second original non-display area 202, to facilitate winding displacement 300 to carry out cabling, connection from the inside of liquid crystal display simultaneously.
These are only the specific embodiment of the invention, can not limit scope of the present invention with this, equalization that those skilled in the art in the art do according to this creation changes, and the change known of those skilled in that art, all should still belong to the scope that the present invention is contained.
Claims (9)
1. a seamless liquid crystal display, comprises polylith crystal liquid substrate (200), and every described crystal liquid substrate (200) comprises and is positioned at central viewing area (203) and around the non-display area of described viewing area (203); It is characterized in that, also comprise and be arranged on every described crystal liquid substrate (200) top, for the bright dipping of described viewing area (203) being extended to the optical substrate (100) of monoblock crystal liquid substrate (200); Described non-display area comprises the first non-display area (201) and the second non-display area (202) being oppositely arranged; Described the first non-display area (201) is layered in the second non-display area (202) top of adjacent crystal liquid substrate.
2. seamless liquid crystal display according to claim 1, is characterized in that, described crystal liquid substrate (200) relatively optical substrate reference field (400) tilts, and angle of inclination is α, and described α is:
The thickness that wherein d is crystal liquid substrate, L
0for the width of crystal liquid substrate, L
1it is the width of the second non-display area (202).
3. seamless liquid crystal display according to claim 1, it is characterized in that, described optical substrate (100) top is coated with the first transparent panel (501), and the bottom surface of described crystal liquid substrate (200) is coated with optical diaphragm group (600) and the second transparent panel (502); Described the first transparent panel (501), optical diaphragm group (600) and the second transparent panel (502) clamp and fix described crystal liquid substrate (200) and optical substrate (100).
4. seamless liquid crystal display according to claim 3, is characterized in that, described optical diaphragm group (600) comprises all light film and bright enhancement film.
5. seamless liquid crystal display according to claim 1, is characterized in that, described optical substrate (100) comprises near the incidence surface (103) of the concave curved surface of crystal liquid substrate (200) with away from the exiting surface (104) of the convex surface of crystal liquid substrate (200); Incidence surface (103) is less than or equal to crystal liquid substrate viewing area (203) to the orthogonal projection of optical substrate reference field (400), and exiting surface (104) is greater than incidence surface (103); Described incidence surface (103) is connected by end face (102) with exiting surface (104).
6. seamless liquid crystal display according to claim 1, is characterized in that, the incidence surface of described optical substrate (100) is Fresnel Lenses face or plane, and the exiting surface of described optical substrate (100) is Fresnel Lenses face or plane.
7. seamless liquid crystal display according to claim 1, it is characterized in that, in described stacked two-layer non-display area, the non-display area cloth that is positioned at below is useful on to drive controls described viewing area (203) pixel, realizes the winding displacement (300) of image display function.
8. according to the seamless liquid crystal display described in claim 5 or 6, it is characterized in that, described optical substrate (100) is arranged into optical substrate array, the edge of described optical substrate array is provided with the fixed frame (800) for fixed optics substrate (100) and crystal liquid substrate (200) position, and described fixed frame (800) is fixedly connected with described optical substrate (100) by attachment screw (801); Also comprise the backlight that is arranged on crystal liquid substrate bottom, described backlight is LED array or luminous tube array.
9. a seamless liquid crystal display assembling method, is characterized in that, comprises the following steps:
Polylith crystal liquid substrate (200) is set, and every described crystal liquid substrate (200) comprises and is positioned at central viewing area (203) and around the non-display area of described viewing area (203);
In crystal liquid substrate every described (200) top, install for the bright dipping of described viewing area (203) being extended to the optical substrate (100) of monoblock crystal liquid substrate (200);
The non-display area dipping bed of described crystal liquid substrate (200) is stacked in to the top of the non-display area of adjacent crystal liquid substrate (200).
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| CN105405360A (en) * | 2014-09-03 | 2016-03-16 | 深圳富泰宏精密工业有限公司 | Seamlessly spliced display device |
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| US10593746B2 (en) | 2017-10-30 | 2020-03-17 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Spliced display device |
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| CN110675757A (en) * | 2018-07-03 | 2020-01-10 | 乐金显示有限公司 | Display device and multi-panel display device |
| CN110675757B (en) * | 2018-07-03 | 2022-08-05 | 乐金显示有限公司 | Display device and multi-panel display device |
| CN109036152A (en) * | 2018-09-30 | 2018-12-18 | 深圳市眸合科技有限公司 | A kind of optical system for realizing multi-screen seamless tiled display |
| CN113327510A (en) * | 2021-05-24 | 2021-08-31 | 曹嘉灿 | Blanking bezel display |
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| CN103578371B (en) | 2016-08-17 |
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