WO2016061844A1 - 液晶显示器 - Google Patents

液晶显示器 Download PDF

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Publication number
WO2016061844A1
WO2016061844A1 PCT/CN2014/090034 CN2014090034W WO2016061844A1 WO 2016061844 A1 WO2016061844 A1 WO 2016061844A1 CN 2014090034 W CN2014090034 W CN 2014090034W WO 2016061844 A1 WO2016061844 A1 WO 2016061844A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
flip chip
crystal display
positioning block
frame assembly
Prior art date
Application number
PCT/CN2014/090034
Other languages
English (en)
French (fr)
Inventor
周革革
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to GB1706157.3A priority Critical patent/GB2545862B/en
Priority to KR1020177012063A priority patent/KR101913523B1/ko
Priority to JP2017521132A priority patent/JP6360974B2/ja
Priority to RU2017113526A priority patent/RU2653768C1/ru
Publication of WO2016061844A1 publication Critical patent/WO2016061844A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133325—Assembling processes

Definitions

  • the present invention relates to the field of liquid crystal display technologies, and in particular, to a liquid crystal display.
  • liquid crystal display devices With the increasing popularity of liquid crystal display devices, there are more and more manufacturers of liquid crystal display panels. Even for liquid crystal display panels of the same size, the size of each panel product will have different degrees of difference. It is a problem for the design of the terminal display product, and it is necessary to consider how to carry out compatible design to share multiple panel products.
  • FIG. 1 shows a schematic structural view of a liquid crystal display in the prior art.
  • the main components of the existing liquid crystal display device include: a front shell, a rear shell, a liquid crystal backlight module, and system components of the device.
  • the main components of the liquid crystal backlight module include: a front frame, a backlight unit and the like.
  • the liquid crystal display panel comprises two layers of glass, a gate-chip on film (G-COF, Gate-Chip On Film), a source-chip on-chip (S-COF), and a printed circuit board 5 ( PCB, Print Circuit on Board, etc.; the glass panel has a screen display area 2 and a non-screen display area 1, as shown in FIG.
  • G-COF gate-chip on film
  • S-COF source-chip on-chip
  • PCB Print Circuit on Board
  • the size of the source-chip on-chip (S-COF, Source-Chip On Film) of each panel product may vary to some extent, which leads to subsequent The backlight module needs to consider a compatible design.
  • the invention provides a liquid crystal display with a highly compatible backlight module design, which can realize the compatibility of different sizes of flip chip in the production process.
  • the invention provides a liquid crystal display comprising: a frame assembly; fixed on one side of the frame assembly a liquid crystal panel; a printed circuit board fixed to the other side of the frame assembly; and a flip chip connecting the liquid crystal panel and the printed circuit board, wherein an extension path of the flip chip is adjustable.
  • the extension path of the flip chip can be adjusted, which ensures that the assembly of the display does not have to affect the assembly of the entire display for different types and sizes of the flip chip, thereby making the process compatible. Extremely high.
  • the liquid crystal display according to the present invention further includes at least one positioning block extending along a portion of the outer surface of the positioning block to perform adjustment of the extension path.
  • the positioning block is an elongated strip structure extending in the longitudinal direction.
  • the cross section of the positioning block has two side edges extending parallel to each other, and the first ends of the two side edges are connected to each other by a bottom edge perpendicular to the two side edges, the two The second ends of the sides are connected to each other by a top arc that projects away from the bottom edge.
  • the flip chip extends snugly across the two sides and the top arc of the positioning block.
  • the portions of the positioning block that are attached to the flip chip are too smooth and have no edges and corners, which can ensure that the extended path of the flip chip is not damaged while the flip chip is not damaged.
  • the sleek construction avoids the possibility of the cracked film being cut or cut by a sharp and sharp structure, ensuring the normal operation of the display and the service life of the product; on the other hand, the bottom edge (the entire bottom surface is configured to be flat)
  • the structure is easy to install and fix in a compact structure, and is not easy to shake, ensuring structural stability and service life of the entire display product. Therefore, the shape, structure and position of the positioning block itself bring about many beneficial effects.
  • the frame assembly is internally fixed with a backlight module, and an opening is disposed on the frame assembly, and a top arc of the positioning block protrudes into the frame assembly through the opening.
  • the positioning block is locked to the frame assembly.
  • the number of the positioning blocks is 1 to 3, and/or the positioning block and the frame assembly are made of the same material. This preferred solution ensures a simplification of the production process and a balance of mechanical properties.
  • one end of the flip chip is connected to the array substrate of the liquid crystal panel, then extends along the frame assembly, and then extends over a portion of the outer surface of the positioning block, and finally the flip chip is in another One end is connected to the printed circuit board.
  • signals from the printed circuit board can be transferred to the array substrate of the liquid crystal panel through the flip chip, thereby affecting the deflection of the liquid crystal by applying a varying electric field, presenting a different picture in the display area of the display.
  • the flip chip is a source flip chip for the array substrate.
  • this is not limitative, and it is easy to understand.
  • the technical solution according to the present invention can also be applied to a gate flip chip for an array substrate.
  • the liquid crystal display according to the present invention has good compatibility, and the liquid crystal display can be uniformly assembled independently of the size of the flip chip, which greatly reduces the production cost. Further, the ingenious structural design of the positioning block itself makes it possible to adjust the extension path of the flip chip while avoiding the breakage of the flip chip, and at the same time ensure that the positioning block itself is stably fixed on the frame assembly of the display. In addition, the entire product is guaranteed to be compact.
  • FIG. 1 is a schematic structural view of a liquid crystal display in the prior art
  • Figure 2 shows a cross-sectional view of a liquid crystal display according to the present invention
  • Figure 3 shows an enlarged view of the positioning block of the liquid crystal display according to the present invention of Figure 2;
  • Figure 4 shows a cross-sectional view of the liquid crystal display in the first case of the comparative example
  • Figure 5 shows a cross-sectional view of the liquid crystal display in the second of the comparative examples.
  • Figure 2 shows a cross-sectional view of a liquid crystal display according to the present invention.
  • a liquid crystal display 100 has a frame assembly.
  • the frame assembly includes a front frame 101, a bezel 102, and a backing plate 106.
  • the liquid crystal panel 110 is fixed on the frame assembly
  • the backlight module 120 is fixed inside the frame assembly
  • the printed circuit board 105 is fixed on the bottom surface of the frame assembly.
  • the liquid crystal panel 110 includes an array substrate 104, a color filter substrate 109, and an array substrate 104 and a color film.
  • a liquid crystal interlayer (not shown) between the substrates 109.
  • the backlight module 120 includes a light guide plate 108, a light-emitting element (not shown) located near the light-incident side of the light guide plate 108, and an optical film set 107 on the light-emitting surface of the light guide plate 108. It is easy to understand that the technical solution according to the present invention has no special requirements on the light-in mode of the backlight module of the display, and can be applied to the backlight module and the vertical-incident backlight module with good compatibility.
  • the backlight module 120 first, light is emitted from the light-emitting element, and then the light enters the light guide plate 108 from the edge on the light-incident side of the light guide plate 108 or the light-incident surface, and is emitted from the light-emitting surface of the light guide plate 108.
  • the light then passes through the optical film set 107 and is atomized and homogenized to form a relatively uniform light.
  • the optical film set 107 can comprise, for example, two mutually perpendicular prism sheets.
  • the backlight module 120 is sandwiched between the bezel 102 and the backing plate 106.
  • the liquid crystal panel 110 is interposed between the front frame 101 and the bezel 102, and the printed circuit board 105 is fixed to the outside of the backing plate 106 by other fixing members not shown in FIG. 2 (for example, a rear frame similar to the front bezel 101).
  • the liquid crystal display 100 further includes a flip chip 103 for connecting the liquid crystal panel 110 and the printed circuit board 105, wherein the extension path of the flip chip 103 can be adjusted.
  • the flip chip 31 is a source flip chip for the array substrate 104 of the liquid crystal panel 110.
  • this is not limitative, and it is easy to understand.
  • the technical solution according to the present invention can also be applied to the gate flip chip for the array substrate 104.
  • the source signal from the printed circuit board 105 can be transmitted to the array substrate 104 of the liquid crystal panel 110 through the source flip chip 103, thereby affecting the deflection of the liquid crystal by applying a varying electric field, exhibiting a difference in the display area. Picture.
  • the extension path of the flip chip 103 can be adjusted, which ensures that the assembly of the display does not have to affect the assembly of the entire display for the different types and sizes of the flip chip 103 in the assembly process.
  • the compatibility of the process is extremely high, and any type of flip chip 103 can be completed by a uniform assembly process without changing the assembly position and processing method of the remaining components (typically, for example, printed circuit board 105).
  • the adjustment of the extension path of the flip chip 31 can be performed by the positioning block 111.
  • the liquid crystal display 100 further includes at least one positioning block 111 that extends along a portion of the outer surface of the positioning block 111 to perform adjustment of the extension path.
  • the positioning block 111 is an elongated strip structure extending in the longitudinal direction. Vertical side The direction is perpendicular to the paper surface.
  • Fig. 3 further shows an enlarged view of the positioning block 111 of the liquid crystal display according to the present invention of Fig. 2.
  • the cross section of the positioning block 111 (the cross-sectional direction of which is parallel to the plane of the paper, i.e., perpendicular to the longitudinal direction) has two parallel extending parallel to each other.
  • the side edges 111.1 and 111.2, the first ends of the two side edges 111.1 and 111.2 (on the lower side) are interconnected by a bottom edge 111.3 perpendicular to the two side edges 111.1 and 111.2, the two sides 111.1 and 111.2
  • the second end (on the upper side) is connected to each other by a top arc 111.4 that projects away from the bottom edge 111.3.
  • the flip chip 31 extends snugly over the two sides 111.1 and 111.2 and the top arc 111.4 of the locating block 111.
  • the portion of the positioning block 111 that is adhered to the flip chip 31 is excessively rounded and has no edges and corners, so as to ensure that the extended path of the flip chip 103 can be affected without damaging the flip chip.
  • the sleek configuration of the top arc 111.4 avoids the possibility that the flip chip 103 is scratched or cut by a sharp and sharp structure, which ensures the normal operation of the display and the service life of the product; on the other hand, the cross section of the positioning block 111
  • the bottom edge 111.3 (stereoscopically viewed as the entire bottom surface) is constructed as a flat structure, which is easy to install and fix in a compact structure, and is not easily shaken, thereby ensuring structural stability and service life of the entire display product. Therefore, the shape, structure and position of the positioning block 111 itself bring about a number of beneficial effects.
  • an opening 106.1 may be provided on the back plate 106 of the frame assembly in consideration of the positional relationship, and the top arc 111.4 of the positioning block 111 protrudes into the frame assembly through the opening 106.1.
  • the interior of the backlight module 120 is housed.
  • the side of the positioning block 111 having the top arc 111.4 enters the interior space of the frame assembly through the opening 106.1 located on the backing plate 106 of the frame assembly, which effectively utilizes the narrow space within the display, ensuring a compact overall structure.
  • the partially flip-chip film 103 is "hidden" into the frame assembly along with the positioning block 111, and the extension path is effectively adjusted.
  • the positioning block 111 can be locked to the backing plate 106 of the frame assembly, for example, at the bottom edge 111.3.
  • the positioning block 111 can also be locked to the backing plate 106 of the frame assembly in other forms or at other locations.
  • the positioning block 111 can be made of the same material as the frame assembly (e.g., the backing plate 106) to facilitate simplification of the production process and balance of mechanical properties.
  • the number of positioning blocks 111 is 1 to 3.
  • the number, size and shape of the positioning blocks 111 can be There are many options, which can be determined according to the extension path of the flip chip 103 required in a specific case.
  • the liquid crystal display 100 is observed as a whole: one end of the flip chip 103 is connected to the array substrate 104 of the liquid crystal panel 110, and then extended along the frame assembly (for example, extending along the outer side of the bezel 102), and then extended. A portion of the outer surface of the positioning block 111 (two side edges 111.1 and 111.2 and a top arc 111.4) is passed through, and finally the flip chip 31 is connected to the printed circuit board 105 at the other end.
  • the ordinary function of the flip chip 103 can be ensured, that is, the electrical signal from the printed circuit board 105 is transmitted to the array substrate 104 of the liquid crystal panel 110, thereby controlling the liquid crystal deflection by the change of the electric field to present the desired display.
  • the positioning block 111 is provided, the extension path of the flip chip 103 can be adjusted, and the chip-type film 103 of different sizes and models can be adopted in the unified assembly terminal process, thereby greatly improving the overall display manufacturing scheme. Compatibility, effectively reducing production costs.
  • the designed comparative example the liquid crystal display 200
  • the liquid crystal display 200 is provided below.
  • FIG. 4 shows a cross-sectional view of the liquid crystal display in the first case of the comparative example.
  • the liquid crystal display 200 in the comparative example has a frame assembly.
  • the frame assembly includes a front frame 201, a bezel 202, and a back panel 206.
  • the liquid crystal panel 210 is fixed on the upper surface of the frame assembly
  • the backlight module 220 is fixed inside the frame assembly
  • the printed circuit board 205 is fixed on the bottom surface of the frame assembly.
  • the back plate 206 of the frame assembly continuously extends to the side of the backlight module 220 with no opening therebetween.
  • the liquid crystal panel 210 includes an array substrate 204, a color filter substrate 209, and a liquid crystal interlayer (not shown) between the array substrate 204 and the color filter substrate 209.
  • the backlight module 220 includes a light guide plate 208, a light-emitting element (not shown) located near the light-incident side or the light-incident surface of the light guide plate 208, and an optical film set 207 on the light-emitting surface of the light guide plate 208.
  • light is first emitted from the light-emitting element, and then the light enters the light guide plate 208 from the light-incident side or the light-incident surface of the light guide plate 208, and is emitted from the light-emitting surface of the light guide plate 208.
  • the light then passes through the optical film set 207 for atomization to form a relatively uniform light.
  • the backlight module 220 is sandwiched between the bezel 202 and the continuously extending backing plate 206.
  • the liquid crystal panel 210 is interposed between the front frame 201 and the bezel 202, and the printed circuit board 205 is fixed to the outside of the backing plate 206 by other fixing members not shown in FIG. 4 (for example, a rear frame similar to the front bezel 201).
  • the liquid crystal display 200 further includes a flip chip 203 for connecting the liquid crystal panel 210 and the printed circuit board 205, wherein the extended path of the flip chip 203 is along a fixed direction.
  • the flip chip 203 is a source flip chip for the array substrate 204.
  • the source signal from the printed circuit board 205 can be transferred to the array substrate 204 of the liquid crystal panel 210 through the source flip chip 203, thereby affecting the deflection of the liquid crystal by applying a varying electric field, in the display area of the display 200.
  • the flip chip can only be bent and extended along a fixed path.
  • One end of the flip chip 203 is connected to the array substrate 204 of the liquid crystal panel 210, then extends along the frame assembly (e.g., along the outer surface of the bezel 202), and then is connected to the printed circuit board 205 at the other end.
  • Fig. 5 shows the liquid crystal display 200 in the comparative example in another case. It can be clearly seen that in FIG. 5, a flip chip 203' having a larger size than the flip chip 203 of FIG. 4 is employed, so in FIG. 5, the extension of the flip chip takes up more space. The printed circuit board 205 must be moved to the right side accordingly to leave sufficient mounting space for the flip chip 203'. This is very unfavorable for the unified production process, and the compatibility is very poor. For different sizes of flip chip, it is necessary to specially debug and design the assembly process of the liquid crystal display.
  • the liquid crystal display according to the present invention has great advantages with respect to the liquid crystal display in the comparative example.
  • the liquid crystal display according to the present invention has good compatibility, and the liquid crystal display can be uniformly assembled independently of the size of the flip chip, which greatly reduces the production cost.
  • the ingenious structural design of the positioning block itself makes it possible to adjust the extension path of the flip chip while avoiding the breakage of the flip chip, and at the same time ensure that the positioning block itself is stably fixed on the frame assembly of the display.
  • the side of the positioning block having the top arc enters the inner space of the frame assembly through an opening on the back plate of the frame assembly, which effectively utilizes the narrow space inside the display, and ensures the compact structure of the entire product.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种液晶显示器（100），包括：框架组件；固定在框架组件上面的液晶面板（110）；固定在框架组件底面的印刷电路板（105）；以及将液晶面板（110）和印刷电路板（105）连接起来的覆晶薄膜（103），覆晶薄膜（103）的延伸路径能够调节。在液晶显示器（100）中，覆晶薄膜（103）的延伸路径能够调节，可以保证在液晶显示器（100）的组装工序中，不必为不同型号、尺寸的覆晶薄膜（103）而影响整个液晶显示器（100）的组装，从而使得工序的兼容性极高。

Description

液晶显示器
相关申请的交叉引用
本申请要求享有于2014年10月20日提交的名称为“液晶显示器”的中国专利申请CN201410557577.2的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种液晶显示器。
背景技术
随着液晶显示装置的普及程度越来越高，液晶显示面板的生产厂家也越来越多，即使是同一尺寸的液晶显示面板，各家的面板产品尺寸也会有不同程度的差异，这样会对终端显示产品的设计造成困扰，需要考虑如何进行兼容设计以共用多家面板产品。
图1显示了现有技术中的液晶显示器的结构示意图。现有液晶显示装置的主要组成部件包括：装置的前壳、后壳、液晶背光模组以及系统零件等，其中液晶背光模组主要组成部件包括：前框、背光单元等结构部件。其中液晶显示面板包括两层玻璃、门极覆晶薄膜4(G-COF，Gate-Chip On Film)、源极覆晶薄膜3(S-COF，Source-Chip On Film)和印刷电路板5(PCB，Print Circuit on Board)等部件；玻璃面板具有画面显示区2和非画面显示区1，如图1所示。
如前所述，即使是同一尺寸的液晶显示面板，各家的面板产品的源极覆晶薄膜3(S-COF，Source-Chip On Film)的尺寸也会有不同程度的差异，这样导致后续的背光模组需要考虑兼容设计。
发明内容
本发明提供了一种液晶显示器，其采用兼容性极高的背光模组设计，能够在生产工序上实现不同尺寸的覆晶薄膜的兼容。
本发明提出了一种液晶显示器，包括：框架组件；固定在所述框架组件一面 的液晶面板；固定在所述框架组件另一面的印刷电路板；以及将所述液晶面板和所述印刷电路板连接起来的覆晶薄膜，其中所述覆晶薄膜的延伸路径能够调节。
在根据本发明的液晶显示器中，覆晶薄膜的延伸路径能够调节，这可以保证在显示器的组装工序中，不必为不同型号、尺寸的覆晶薄膜而影响整个显示器的组装，从而使得工序的兼容性极高。
优选地，根据本发明的液晶显示器还包括至少一个定位块，所述覆晶薄膜沿着所述定位块的部分外表面延伸，从而进行延伸路径的调节。
优选地，所述定位块为沿着纵向方向延伸的狭长的条形结构。
优选地，所述定位块的横截面具有彼此平行延伸的两条侧边，所述两条侧边的第一端部通过与所述两条侧边垂直的底边相互连接，所述两条侧边的第二端部通过背向所述底边而凸出的顶弧而相互连接。
优选地，所述覆晶薄膜贴合地延伸过所述定位块的两条侧边和顶弧。
如此地，一方面，定位块的与覆晶薄膜所贴合的部位均是圆滑过度的，并无棱角，可以保证在影响覆晶薄膜的延伸路径的同时不会损坏覆晶薄膜，顶弧的圆滑构造避免了覆晶薄膜被锋利尖锐的结构划破或割破的可能性，保证了显示器的正常工作和产品的使用寿命；另一方面，底边(立体地看即整个底面)构造为平坦结构，便于以紧凑的结构安装和固定，不容易动摇，保证了整个显示器产品的结构稳定性和使用寿命。因此定位块自身的形状、结构和位置带来了诸多有益效果。
优选地，所述框架组件内部固定有背光模组，在所述框架组件上设置有开口，所述定位块的顶弧通过所述开口伸入到所述框架组件内部。
以此方式，可以允许定位块的具有顶弧的一侧通过位于框架组件上的开口进入框架组件的内部空间，这有效利用了显示器内狭窄的空间，保证了整个产品结构紧凑。同时，部分覆晶薄膜随着定位块被“藏入”框架组件内部，有效对其延伸路径进行了调节。
优选地，所述定位块锁定到所述框架组件上。
优选地，所述定位块的数量为1到3个，和/或所述定位块与所述框架组件采用相同的材质。此优选方案保证了生产工序的简化和力学性质的均衡。
优选地，所述覆晶薄膜的一端连接到所述液晶面板的阵列基板，接着沿着所述框架组件延伸，然后延伸过所述定位块的部分外表面，最后所述覆晶薄膜在另 一端与所述印刷电路板连接。以此方式，来自印刷电路板的信号可通过覆晶薄膜传递到液晶面板的阵列基板，从而通过施加变化的电场来影响液晶的偏转，在显示器的显示区域中呈现出不同的画面。
优选地，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。当然这并非限定性的，容易理解，同理地，根据本发明的技术方案也可针对用于阵列基板的门极覆晶薄膜来进行。
根据本发明的液晶显示器兼容性好，可以独立于覆晶薄膜的尺寸而对液晶显示器进行统一的组装，大大降低了生产成本。进一步地，定位块自身的巧妙的结构设计，使得既能够在避免覆晶薄膜破损的情况下调节覆晶薄膜的延伸路径，同时能够保证定位块自身稳定地固定在显示器的框架组件上。另外，保证了整个产品的结构紧凑。
上述技术特征可以各种适合的方式组合或由等效的技术特征来替代，只要能够达到本发明的目的。
附图说明
在下文中将基于实施例并参考附图来对本发明进行更详细的描述。其中：
图1显示了现有技术中的液晶显示器的结构示意图；
图2显示了根据本发明的液晶显示器的剖视图；
图3显示了图2的根据本发明的液晶显示器的定位块的放大图；
图4显示了对比例中的第一情况下的液晶显示器的剖视图；以及
图5显示了对比例中的第二情况下的液晶显示器的剖视图。
在附图中，相同的部件使用相同的附图标记。附图并未按照实际的比例。
具体实施方式
下面将结合附图对本发明作进一步说明。
图2显示了根据本发明的液晶显示器的剖视图。
在图2中，根据本发明的液晶显示器100具有框架组件。框架组件包括前框101、胶框102和背板106。由图2可看出，液晶面板110固定在框架组件的上面，背光模组120固定在框架组件内部，而印刷电路板105固定在框架组件底面。
液晶面板110包括阵列基板104、彩膜基板109和位于阵列基板104和彩膜 基板109之间的液晶夹层(图中未示出)。
背光模组120包括导光板108、位于导光板108入光侧附近的发光元件(图中未示出)，以及位于导光板108的出光面上的光学膜片组107。容易理解，根据本发明的技术方案对显示器背光模组的入光模式并无特殊要求，可应用于侧光入光式的背光模组和垂直入射式的背光模组，兼容性很好。在背光模组120中，首先由发光元件发出光线，而后光线从导光板108的入光侧的边缘或入光面进入导光板108，并从导光板108的出光面射出。之后光线经过光学膜片组107，进行雾化匀光，形成较为均匀的光线。光学膜片组107例如可包括两个相互垂直的棱镜片。
从图2中可以看出，背光模组120被夹置在胶框102和背板106之间。液晶面板110夹置在前框101和胶框102之间，而印刷电路板105通过图2中未示出的其它固定件(例如与前框101类似的后框)固定于背板106外侧。
液晶显示器100还包括用于将液晶面板110和印刷电路板105连接起来的覆晶薄膜103，其中覆晶薄膜103的延伸路径能够调节。在图2所示的实施例中，覆晶薄膜103为用于液晶面板110的阵列基板104的源极覆晶薄膜。当然这并非限定性的，容易理解，同理地，根据本发明的技术方案也可针对用于阵列基板104的门极覆晶薄膜来进行。
以此方式，来自印刷电路板105的源极信号可通过源极覆晶薄膜103传递到液晶面板110的阵列基板104，从而通过施加变化的电场来影响液晶的偏转，在显示区域中呈现出不同的画面。
在根据本发明的液晶显示器100中，覆晶薄膜103的延伸路径能够调节，这可以保证在显示器的组装工序中，不必为不同型号、尺寸的覆晶薄膜103而影响整个显示器的组装。从而工序的兼容性极高，任何型号尺寸的覆晶薄膜103均可采用统一的装配工序来完成，不用更改其余部件(典型地例如印刷电路板105)的组装位置和处理方法。
具体地，在一个优选的实施例中，对覆晶薄膜103的延伸路径的调节可通过定位块111来进行。
因此，根据本发明的液晶显示器100还包括至少一个定位块111，覆晶薄膜103沿着定位块111的部分外表面延伸，从而进行延伸路径的调节。
参照图2，定位块111为沿着纵向方向延伸的狭长的条形结构。其中纵向方 向即垂直于纸面的方向。图3进一步显示了图2的根据本发明的液晶显示器的定位块111的放大图。
从图3的放大图中可清楚地看出，定位块111的横截面(该横截面的剖切方向为平行于纸面的方向，即与上述纵向方向相垂直)具有彼此平行延伸的两条侧边111.1和111.2，两条侧边111.1和111.2的第一端部(位于下侧)通过与所述两条侧边111.1和111.2垂直的底边111.3相互连接，两条侧边111.1和111.2的第二端部(位于上侧)则通过背向底边111.3而凸出的顶弧111.4而相互连接。
通过图2和图3可看出，覆晶薄膜103贴合地延伸过定位块111的两条侧边111.1和111.2和顶弧111.4。如此地，一方面，定位块111的与覆晶薄膜103所贴合的部位均是圆滑过度的，并无棱角，可以保证在能够影响覆晶薄膜103的延伸路径的同时不会损坏覆晶薄膜103，顶弧111.4的圆滑构造避免了覆晶薄膜103被锋利尖锐的结构划破或割破的可能性，保证了显示器的正常工作和产品的使用寿命；另一方面，定位块111的横截面中的底边111.3(立体地看即整个底面)构造为平坦结构，便于以紧凑的结构安装和固定，不容易动摇，保证了整个显示器产品的结构稳定性和使用寿命。因此定位块111自身的形状、结构和位置带来了诸多有益效果。
再次参照图2，关于定位块111自身的布置，考虑到位置关系，可在框架组件的背板106上设置有开口106.1，定位块111的顶弧111.4通过该开口106.1伸入到框架组件的用于容纳背光模组120的内部。定位块111的具有顶弧111.4的一侧通过位于框架组件的背板106上的开口106.1进入框架组件的内部空间，这有效利用了显示器内狭窄的空间，保证了整个产品结构紧凑。同时，部分覆晶薄膜103随着定位块111一同被“藏入”框架组件内部，有效对其延伸路径进行了调节。
另一方面，定位块111例如可在底边111.3处锁定到框架组件的背板106上。当然，定位块111也可以其它形式或在其它位置处锁定到框架组件的背板106上。
定位块111可以与框架组件(例如背板106)采用相同的材质，以便于生产工序的简化和力学性质的均衡。
当然，前面所述的定位块111的布置形式仅为类似的布置方式的一种形式。还可以有多种其它的实现方式，在此不再赘述。
优选地，定位块111的数量为1到3个。定位块111的数量、尺寸和形状可 以有多种选择，可以根据具体情况中所需要的覆晶薄膜103的延伸路径来决定。
因此，整体上观测根据本发明的液晶显示器100：覆晶薄膜103的一端连接到液晶面板110的阵列基板104上，接着沿着框架组件延伸(例如沿着胶框102的外侧延伸)，然后延伸过定位块111的部分外表面(两条侧边111.1和111.2以及顶弧111.4)，最后覆晶薄膜103在另一端与印刷电路板105连接。
以此方式，既能保证覆晶薄膜103的寻常功能，即将来自印刷电路板105的电信号传递到液晶面板110的阵列基板104，从而通过电场的变化控制液晶偏转，以呈现出所需的显示画面；另一方面，由于设置了定位块111，使得覆晶薄膜103的延伸路径能够调节，可以在统一的组装终端工序中采纳不同尺寸、型号的覆晶薄膜103，大大提高了整个显示器制造方案的兼容性，有效降低了生产成本。
为了呈现根据本发明的液晶显示器100的优点，下面提供了所设计的对比例——液晶显示器200。
图4显示了对比例中的第一情况下的液晶显示器的剖视图。在图4中，对比例中的液晶显示器200具有框架组件。框架组件包括前框201、胶框202和背板206。由图4可看出，液晶面板210固定在框架组件的上面，背光模组220固定在框架组件内部，而印刷电路板205固定在框架组件底面。与图2所示的液晶显示器100相比较，可以看到在对比例的液晶显示器200中，框架组件的背板206连续地延伸至背光模组220的侧部，其间并无开口。
液晶面板210包括阵列基板204、彩膜基板209和位于阵列基板204和彩膜基板209之间的液晶夹层(图中未示出)。
背光模组220包括导光板208、位于导光板208的入光侧或入光面附近的发光元件(图中未示出)以及位于导光板208的出光面上的光学膜片组207。在背光模组220中，首先由发光元件发出光线，而后光线从导光板208的入光侧或入光面进入导光板208，并从导光板208的出光面射出。之后光线经过光学膜片组207进行雾化匀光，形成较为均匀的光线。
从图4中可以看出，背光模组220被夹置在胶框202和连续延伸的背板206之间。液晶面板210夹置在前框201和胶框202之间，而印刷电路板205通过图4中未示出的其它固定件(例如与前框201类似的后框)固定于背板206外侧。
液晶显示器200还包括用于将液晶面板210和印刷电路板205连接起来的覆晶薄膜203，其中覆晶薄膜203的延伸路径是沿着固定方向的。在图4所示的对 比例中，覆晶薄膜203为用于阵列基板204的源极覆晶薄膜。以此方式，来自印刷电路板205的源极信号可通过源极覆晶薄膜203传递到液晶面板210的阵列基板204，从而通过施加变化的电场来影响液晶的偏转，在显示器200的显示区域中呈现出不同的画面。
两相比较，可以发现，在对比例中，由于没有设置定位块来调节覆晶薄膜的延伸路径，其覆晶薄膜只能沿着固定的路径弯折和延伸。覆晶薄膜203的一端连接到液晶面板210的阵列基板204，接着沿着框架组件延伸(例如沿着胶框202的外表面延伸)，然后在另一端与印刷电路板205连接。
因此，在对比例的液晶显示器200中，印刷电路板205和液晶面板210之间的位置关系会受到覆晶薄膜203的尺寸的限制。图5显示了另一种情况下的对比例中的液晶显示器200。可以清楚地看出，在图5中，采用了比图4中的覆晶薄膜203尺寸更大的覆晶薄膜203’，因此在图5中，覆晶薄膜的延伸占用了更多的空间，印刷电路板205必须相应地向右侧挪动，以给覆晶薄膜203’留出足够的安装空间。这是非常不利于统一生产工序的，兼容性很差，针对不同尺寸的覆晶薄膜还需要专门调试和设计液晶显示器的组装工序。
由此可见，相对于对比例中的液晶显示器，根据本发明的液晶显示器具有很大的优势。首先，根据本发明的液晶显示器兼容性好，可以独立于覆晶薄膜的尺寸而对液晶显示器进行统一的组装，大大降低了生产成本。进一步地，定位块自身的巧妙的结构设计，使得既能够在避免覆晶薄膜破损的情况下调节覆晶薄膜的延伸路径，同时能够保证定位块自身稳定地固定在显示器的框架组件上。另外，定位块的具有顶弧的一侧通过位于框架组件的背板上的开口进入框架组件的内部空间，这有效利用了显示器内狭窄的空间，保证了整个产品结构紧凑。
虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (15)

  1. 一种液晶显示器，其中，包括：
    框架组件；
    固定在所述框架组件一面的液晶面板；
    固定在所述框架组件另一面的印刷电路板；以及
    将所述液晶面板和所述印刷电路板连接起来的覆晶薄膜，其中所述覆晶薄膜的延伸路径能够调节。
  2. 根据权利要求1所述的液晶显示器，其中，还包括至少一个定位块，所述覆晶薄膜沿着所述定位块的部分外表面延伸，从而进行延伸路径的调节。
  3. 根据权利要求2所述的液晶显示器，其中，所述定位块为沿着纵向方向延伸的狭长的条形结构。
  4. 根据权利要求3所述的液晶显示器，其中，所述定位块的横截面具有彼此平行延伸的两条侧边，所述两条侧边的第一端部通过与所述两条侧边垂直的底边相互连接，所述两条侧边的第二端部通过背向所述底边而凸出的顶弧而相互连接。
  5. 根据权利要求4所述的液晶显示器，其中，所述覆晶薄膜贴合地延伸过所述定位块的两条侧边和顶弧。
  6. 根据权利要求5所述的液晶显示器，其中，所述框架组件内部固定有背光模组，
    在所述框架组件上设置有开口，所述定位块的顶弧通过所述开口伸入到所述框架组件内部。
  7. 根据权利要求2所述的液晶显示器，其中，所述定位块锁定到所述框架组件上。
  8. 根据权利要求2所述的液晶显示器，其中，所述定位块的数量为1到3个，和/或所述定位块与所述框架组件采用相同的材质。
  9. 根据权利要求2所述的液晶显示器，其中，所述覆晶薄膜的一端连接到所述液晶面板的阵列基板，接着沿着所述框架组件延伸，然后延伸过所述定位块的部分外表面，最后所述覆晶薄膜在另一端与所述印刷电路板连接。
  10. 根据权利要求1所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵 列基板的源极覆晶薄膜。
  11. 根据权利要求2所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。
  12. 根据权利要求3所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。
  13. 根据权利要求4所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。
  14. 根据权利要求5所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。
  15. 根据权利要求6所述的液晶显示器，其中，所述覆晶薄膜为用于所述阵列基板的源极覆晶薄膜。
PCT/CN2014/090034 2014-10-20 2014-10-31 液晶显示器 WO2016061844A1 (zh)

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GB1706157.3A GB2545862B (en) 2014-10-20 2014-10-31 Liquid crystal display
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JP2017521132A JP6360974B2 (ja) 2014-10-20 2014-10-31 液晶表示装置
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CN106842735B (zh) * 2017-04-05 2019-10-25 深圳市华星光电半导体显示技术有限公司 用于邦定覆晶薄膜引脚的面板引脚结构及液晶显示装置
CN108872251A (zh) * 2018-08-02 2018-11-23 北京兆维科技开发有限公司 一种显示屏的图像采集机构和系统
JP7221779B2 (ja) * 2019-04-26 2023-02-14 アルパイン株式会社 表示装置およびその組立方法
EP4206805A4 (en) * 2020-11-27 2024-03-20 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE INCLUDING DISPLAY

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JP2017531211A (ja) 2017-10-19

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