CN104865741B - A kind of liquid crystal display panel - Google Patents

A kind of liquid crystal display panel Download PDF

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Publication number
CN104865741B
CN104865741B CN201510349386.1A CN201510349386A CN104865741B CN 104865741 B CN104865741 B CN 104865741B CN 201510349386 A CN201510349386 A CN 201510349386A CN 104865741 B CN104865741 B CN 104865741B
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CN
China
Prior art keywords
light leakage
photoresist
edge light
leakage area
area
Prior art date
Application number
CN201510349386.1A
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Chinese (zh)
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CN104865741A (en
Inventor
彭海波
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武汉华星光电技术有限公司
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Priority to CN201510349386.1A priority Critical patent/CN104865741B/en
Publication of CN104865741A publication Critical patent/CN104865741A/en
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    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133512Light shielding layers, e.g. black matrix
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters

Abstract

The present invention discloses a kind of liquid crystal display panel, includes the first substrate (10) that box is arranged and second substrate (20), and first substrate (10) includes:The edge light leakage area (10c) of viewing area (10a), the transition region (10b) of adjacent viewing area (10a) and adjacent transition region (10b);There is spaced colored filter (11) and black matrix" (12) in viewing area (10a), black matrix" (12) extends to transition region (10b) and edge light leakage area (10c), thickness at least one of colored filter (11) color photoresist or the black matrix" (12) in edge light leakage area (10c) in edge light leakage area (10c) is more than the thickness of the black matrix" (12) in viewing area (10a) and transition region (10b).The present invention also forms chromatic photoresist or black matrix", to prevent the edge light leakage area of liquid crystal display panel from light leakage phenomena occur while viewing area forms chromatic photoresist or black matrix" in edge light leakage area.

Description

A kind of liquid crystal display panel

Technical field

The invention belongs to technical field of liquid crystal display, in particular, being related to a kind of liquid crystal display panel that can prevent side light leakage.

Background technology

In the design of existing liquid crystal display, due to needing to consider driving chip (IC), flexible PCB (FPC) etc. Making technology, so the edge of polaroid needs the substrate edges attached with it with a certain distance, to avoid above-mentioned system The high temperature generated in journey technique generates damage to polaroid.In other words, the display light provided at the edge of substrate, backlight module Line is only stopped by the black matrix" (BM) of colored filter (CF) substrate;And in the viewing area of substrate, what backlight module provided Show that light in addition to it need to be stopped by BM, can also pass through the absorption of upper and lower two polaroids.In this case, substrate edges are easily Bad light-leaking occurs.

In the prior art, the methods of shading rubber belt is additionally generally attached in substrate periphery to overcome the above problem.But One side is higher and higher with the resolution of liquid crystal display panel, and the aperture opening ratio of liquid crystal display panel reduces, and is provided so as to cause backlight module Show that the brightness of light is higher and higher, liquid crystal display panel edge light leakage is easier to occur;On the other hand with narrow frame, even Rimless is increasingly becoming the mainstream of liquid crystal display, and traditional shading rubber belt influences beauty, is no longer applicable in.

Invention content

In order to solve the above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of liquid crystal display panels, including To the first substrate and second substrate of box setting, first substrate includes:Viewing area, the transition region of the adjacent viewing area and neighbour Meet the edge light leakage area of the transition region;There is spaced colored filter and black matrix" in the viewing area, it is described Black matrix" extends to the transition region and edge light leakage area, has in the colored filter in edge light leakage area At least one color photoresist.

Further, the colored filter includes three kinds of red photoresist, green photoresist, blue light resistance color photoresists;Its In, the red photoresist, the green photoresist and the blue light resistance are arranged with the black matrix" interval in the viewing area, institute State at least one of the red photoresist having in edge light leakage area in the colored filter, green photoresist, blue light resistance.

Further, when having red photoresist in edge light leakage area, the red photoresist in edge light leakage area Thickness it is identical as the thickness of red photoresist in the viewing area.

Further, when having blue light resistance in edge light leakage area, the blue light resistance in edge light leakage area Thickness it is identical as the thickness of the blue light resistance in the viewing area.

Further, when having green photoresist in edge light leakage area, the green photoresist in edge light leakage area Thickness be more than the viewing area in green photoresist thickness.

Further, when having at least two in red photoresist, green photoresist, blue light resistance in edge light leakage area When, the folded setting of at least two color photoresist layers in edge light leakage area.

Further, when having at least two in red photoresist, green photoresist, blue light resistance in edge light leakage area When, the black matrix" in edge light leakage area is removed.

Further, the thickness of any color photoresist and identical color of light in the viewing area in edge light leakage area The thickness of resistance is identical.

Further, identical color photoresist is simultaneously in any color photoresist and the viewing area in edge light leakage area It is formed.

Another object of the present invention, which also resides in, provides a kind of liquid crystal display panel, includes the first substrate and the second base that box is arranged Plate, first substrate include:Viewing area, the transition region for abutting the viewing area and the edge light leakage area for abutting the transition region; In the viewing area have spaced colored filter and black matrix", the black matrix" extend to the transition region and Edge light leakage area, wherein the black matrix" thickness in edge light leakage area is more than the viewing area and the transition region In black matrix" thickness.

Beneficial effects of the present invention:The present invention is leaked while viewing area forms chromatic photoresist or black matrix" at edge Light area also forms chromatic photoresist or black matrix", to prevent the edge light leakage area of liquid crystal display panel from light leakage phenomena occur, and it is color Coloured light hinders or black matrix" is formed in inside liquid crystal display panel, does not interfere with specious.

Description of the drawings

What is carried out in conjunction with the accompanying drawings is described below, above and other aspect, features and advantages of the embodiment of the present invention It will become clearer, in attached drawing:

Fig. 1 a to Fig. 1 c are the partial schematic diagrams of the liquid crystal display panel of an embodiment according to the present invention;

Fig. 2 a to Fig. 2 c are the partial schematic diagrams of liquid crystal display panel according to another embodiment of the present invention;

Fig. 3 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention;

Fig. 4 a to Fig. 4 c are the partial schematic diagrams of liquid crystal display panel according to still another embodiment of the invention;

Fig. 5 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention;

Fig. 6 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention.

Specific implementation mode

Hereinafter, with reference to the accompanying drawings to detailed description of the present invention embodiment.However, it is possible to come in many different forms real The present invention is applied, and the present invention should not be construed as limited to the specific embodiment illustrated here.On the contrary, providing these implementations Example is in order to explain the principle of the present invention and its practical application, to make others skilled in the art it will be appreciated that the present invention Various embodiments and be suitable for the various modifications of specific intended application.In the accompanying drawings, in order to understand device, the areas Ceng He are exaggerated The thickness in domain.Identical label can be used to indicate identical element in the whole instruction and attached drawing.

Fig. 1 a to Fig. 1 c are the partial schematic diagrams of the liquid crystal display panel of an embodiment according to the present invention.

The liquid crystal display panel of a to Fig. 1 c referring to Fig.1, first embodiment according to the present invention includes:First substrate 10, the second base Plate 20, seal 30, the first polaroid 40, the second polaroid 50.In one embodiment of this invention, first substrate 10 can be coloured silk Colo(u)r filter substrate, second substrate 20 can be thin-film transistor array base-plate, but the present invention is not restricted to this.

First substrate 10 is arranged box with second substrate 20;First polaroid 40 is attached at the lower surface of first substrate 10, Second polaroid 50 is attached at the upper surface of second substrate 20, but the edge of the first polaroid 40 and the second polaroid 50 is distinguished There is certain distance with the edge of first substrate 10 and second substrate 20.

First substrate 10 includes viewing area 10a, is abutted with the transition region 10b of viewing area 10a adjoinings and with transition region 10b Edge light leakage area 10c, wherein the width of edge light leakage area 10c is the Edge Distance first substrate 10 of the first polaroid 40 The width at edge.

There is spaced colored filter 11 and black matrix" 12, and black matrix" 12 extends in the 10a of viewing area To transition region 10b and edge light leakage area 10c;That is, the covering first substrate 10 of black matrix" 12 removes colored filter 11 Except all areas.

With a kind of color photoresist in colored filter 11 in edge light leakage area 10c;Here, in edge light leakage area 10c A kind of color photoresist identical color photoresist is formed simultaneously with the 10a of viewing area;The part of seal 30 is arranged in side On color photoresist in edge light leakage area 10c, another part is arranged on the black matrix" 12 in transition region 10b, to seal One substrate 10 and second substrate 20.

In one embodiment of this invention, colored filter 11 includes:Red photoresist R, green photoresist G, blue light resistance B. In fig 1 a, when the color photoresist in edge light leakage area 10c is red photoresist R, since the penetrance of red photoresist R is relatively low, So the thickness of the red photoresist R in edge light leakage area 10c and the red thickness of photoresist R in the 10a of viewing area are identical i.e. reachable To the purpose for preventing edge light leakage area 10c light leakages.In Figure 1b, when the color photoresist in edge light leakage area 10c is blue light resistance B When, since the penetrance of blue light resistance B is relatively low, so the thickness of blue light resistance B in edge light leakage area 10c and viewing area The thickness of blue light resistance B in 10a is identical also to can reach the purpose for preventing edge light leakage area 10c light leakages.In figure 1 c, work as edge When color photoresist in light leakage area 10c is green photoresist G, since the penetrance of green photoresist G is higher, so edge light leakage area The thickness of green photoresist G in 10c has to be larger than the thickness of the green photoresist G in the 10a of viewing area, and can be only achieved prevents edge from leaking The purpose of light area 10c light leakages.

Fig. 2 a to Fig. 2 c are the partial schematic diagrams of liquid crystal display panel according to another embodiment of the present invention.

With reference to Fig. 2 a to Fig. 2 c, unlike liquid crystal display panel shown in Fig. 1 a to Fig. 1 c:Have in edge light leakage area 10c Two kinds of color photoresists in colored filter 11;Here, in any color photoresist in edge light leakage area 10c and viewing area 10a Identical color photoresist is formed simultaneously.

Further, the folded setting of two kinds of color photoresist layers in edge light leakage area 10c.In fig. 2 a, edge light leakage area 10c In there is red photoresist R and green photoresist G, wherein red photoresist R and green photoresist G are stacked.In figure 2b, edge leaks There is red photoresist R and blue light resistance B, wherein red photoresist R and blue light resistance B are stacked in light area 10c.In figure 2 c, There is green photoresist G and blue light resistance B, wherein green photoresist G and blue light resistance B are stacked in edge light leakage area 10c.It answers It is limited when not specific to the folded sequence work of color photoresist layer in explanation, the present invention.

In addition, in the present embodiment, thickness and the phase in the 10a of viewing area of any color photoresist in edge light leakage area 10c With the thickness of color photoresist it is identical, but the present invention is not restricted to this.

Fig. 3 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention.

With reference to Fig. 3, unlike liquid crystal display panel shown in Fig. 1 a to Fig. 1 c:There is colored filter in edge light leakage area 10c Three kinds of color photoresists in mating plate 11;Here, any color photoresist in edge light leakage area 10c is identical with the 10a of viewing area Color photoresist is formed simultaneously.

Further, three kinds of color photoresist layers in edge light leakage area 10c are folded is arranged, i.e. red in edge light leakage area 10c Coloured light resistance R, green photoresist G and blue light resistance B are stacked.It should be noted that not folded to color photoresist layer in the present invention Sequence makees specific limit.

In addition, in the present embodiment, thickness and the phase in the 10a of viewing area of any color photoresist in edge light leakage area 10c With the thickness of color photoresist it is identical, but the present invention is not restricted to this.

Fig. 4 a to Fig. 4 c are the partial schematic diagrams of liquid crystal display panel according to still another embodiment of the invention.

With reference to Fig. 4 a to Fig. 4 c, unlike liquid crystal display panel shown in Fig. 1 a to Fig. 1 c:There is interval in the 10a of viewing area The colored filter 11 and black matrix" 12 of setting, and black matrix" 12 extends to transition region 10b;That is, black square Battle array 12 covers all areas in addition to colored filter 11 and edge light leakage area 10c of first substrate 10.

With two kinds of color photoresists in colored filter 11 in edge light leakage area 10c;Here, in edge light leakage area 10c Any color photoresist identical color photoresist is formed simultaneously with the 10a of viewing area.

Further, the folded setting of two kinds of color photoresist layers in edge light leakage area 10c.In fig. 2 a, edge light leakage area 10c In there is red photoresist R and green photoresist G, wherein red photoresist R and green photoresist G are stacked.In figure 2b, edge leaks There is red photoresist R and blue light resistance B, wherein red photoresist R and blue light resistance B are stacked in light area 10c.In figure 2 c, There is green photoresist G and blue light resistance B, wherein green photoresist G and blue light resistance B are stacked in edge light leakage area 10c.It answers It is limited when not specific to the folded sequence work of color photoresist layer in explanation, the present invention.

In addition, in the present embodiment, thickness and the phase in the 10a of viewing area of any color photoresist in edge light leakage area 10c With the thickness of color photoresist it is identical, but the present invention is not restricted to this.

Fig. 5 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention.

With reference to Fig. 5, unlike liquid crystal display panel shown in Fig. 4 a to Fig. 4 c:There is colored filter in edge light leakage area 10c Three kinds of color photoresists in mating plate 11;Here, any color photoresist in edge light leakage area 10c is identical with the 10a of viewing area Color photoresist is formed simultaneously.

Further, three kinds of color photoresist layers in edge light leakage area 10c are folded is arranged, i.e. red in edge light leakage area 10c Coloured light resistance R, green photoresist G and blue light resistance B are stacked.It should be noted that not folded to color photoresist layer in the present invention Sequence makees specific limit.

In addition, in the present embodiment, thickness and the phase in the 10a of viewing area of any color photoresist in edge light leakage area 10c With the thickness of color photoresist it is identical, but the present invention is not restricted to this.

Fig. 6 is the partial schematic diagram of liquid crystal display panel according to still another embodiment of the invention.

With reference to Fig. 6, unlike the liquid crystal display panel described in Fig. 1 a to Fig. 5:There is spaced coloured silk in the 10a of viewing area Colo(u)r filter 11 and black matrix" 12, wherein black matrix" 12 extends to transition region 10b and edge light leakage area 10c, also, side The thickness of black matrix" 12 in edge light leakage area 10c is greater than the black matrix" 12 in viewing area 10a and transition region 10b Thickness.In other words, in the present embodiment, it is not provided with color photoresist in edge light leakage area 10b, and utilizes thicker black of thickness Colour moment battle array 12 is formed in edge light leakage area 10b, to achieve the purpose that prevent edge light leakage area 10c light leakages.

In addition, the part of seal 30 is arranged on the black matrix" 12 in edge light leakage area 10c, another part It is arranged on the black matrix" 12 in transition region 10b.

In the present invention, the color photoresist that colored filter 11 includes is not with red photoresist R, green photoresist G, blue light Tri- kinds of B of resistance is limited, for example, in the other embodiment of the present invention, colored filter 11 may include red photoresist, green light Resistance, blue light resistance, white four kinds of photoresist.

In conclusion in the various embodiments of the invention, while viewing area forms chromatic photoresist or black matrix", Edge light leakage area also forms chromatic photoresist or black matrix", to prevent the edge light leakage area of liquid crystal display panel from light leakage phenomena occur, And chromatic photoresist or black matrix" are formed in inside liquid crystal display panel, are not interfered with specious.

Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that: In the case where not departing from the spirit and scope of the present invention limited by claim and its equivalent, can carry out herein form and Various change in details.

Claims (10)

1. a kind of liquid crystal display panel includes first substrate (10), second substrate (20) and the seal (30) that box is arranged, feature It is,
First substrate (10) includes:Described in viewing area (10a), the transition region (10b) of the adjacent viewing area (10a) and adjoining The edge light leakage area (10c) of transition region (10b);
There is spaced colored filter (11) and black matrix" (12), the black matrix" in the viewing area (10a) (12) transition region (10b) and edge light leakage area (10c) are extended to, is had in edge light leakage area (10c) described At least one of colored filter (11) color photoresist;
The part of the seal (30) is arranged on the color photoresist in edge light leakage area (10c), the sealing On the black matrix" (12) that the remainder of body (30) is arranged in the transition region (10b), to seal the first substrate (10) and the second substrate (20).
2. liquid crystal display panel according to claim 1, which is characterized in that the colored filter (11) include red photoresist, Three kinds of green photoresist, blue light resistance color photoresists;Wherein, the red photoresist, the green photoresist and the blue light resistance with Black matrix" (12) interval in the viewing area (10a) is arranged, and has the colorized optical filtering in edge light leakage area (10c) At least one of red photoresist, green photoresist, blue light resistance in piece (11).
3. liquid crystal display panel according to claim 2, which is characterized in that red when having in edge light leakage area (10c) When photoresist, the thickness of the thickness and the red photoresist in the viewing area (10a) of the red photoresist in edge light leakage area (10c) It spends identical.
4. liquid crystal display panel according to claim 2, which is characterized in that blue when having in edge light leakage area (10c) When photoresist, the thickness of the thickness and the blue light resistance in the viewing area (10a) of the blue light resistance in edge light leakage area (10c) It spends identical.
5. liquid crystal display panel according to claim 2, which is characterized in that green when having in edge light leakage area (10c) When photoresist, the thickness of the green photoresist in edge light leakage area (10c) is more than the green photoresist in the viewing area (10a) Thickness.
6. liquid crystal display panel according to claim 2, which is characterized in that red when having in edge light leakage area (10c) In photoresist, green photoresist, blue light resistance at least two when, at least two color photoresists in edge light leakage area (10c) It is stacked.
7. liquid crystal display panel according to claim 6, which is characterized in that red when having in edge light leakage area (10c) In photoresist, green photoresist, blue light resistance at least two when, the black matrix" (12) in edge light leakage area (10c) is gone It removes.
8. the liquid crystal display panel described according to claim 6 or 7, which is characterized in that any color in edge light leakage area (10c) The thickness of photoresist is identical as the identical thickness of color photoresist in the viewing area (10a).
9. according to claim 2 to 7 any one of them liquid crystal display panel, which is characterized in that appoint in edge light leakage area (10c) Identical color photoresist is formed simultaneously one color photoresist with the viewing area (10a).
10. a kind of liquid crystal display panel includes first substrate (10), second substrate (20) and the seal (30) that box is arranged, special Sign is,
First substrate (10) includes:Described in viewing area (10a), the transition region (10b) of the adjacent viewing area (10a) and adjoining The edge light leakage area (10c) of transition region (10b);
There is spaced colored filter (11) and black matrix" (12), the black matrix" in the viewing area (10a) (12) transition region (10b) and edge light leakage area (10c) are extended to, wherein black in edge light leakage area (10c) Colour moment battle array (12) thickness is more than the thickness of the black matrix" (12) in the viewing area (10a) and the transition region (10b);
The part of the seal (30) is arranged on the black matrix" (12) in edge light leakage area (10c), described On the black matrix" (12) that the remainder of seal (30) is arranged in the transition region (10b), to seal first base Plate (10) and the second substrate (20).
CN201510349386.1A 2015-06-23 2015-06-23 A kind of liquid crystal display panel CN104865741B (en)

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CN105467661A (en) * 2016-01-13 2016-04-06 京东方科技集团股份有限公司 Color film substrate and making method thereof, liquid crystal display panel and display device
CN106990603B (en) * 2017-06-08 2020-04-17 惠科股份有限公司 Display panel and display device using same
CN107703671A (en) * 2017-10-31 2018-02-16 武汉华星光电技术有限公司 Liquid crystal panel and liquid crystal display device
CN108121106A (en) * 2017-12-27 2018-06-05 武汉华星光电技术有限公司 A kind of liquid crystal display panel and preparation method thereof

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