CN209215802U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN209215802U CN209215802U CN201920031543.8U CN201920031543U CN209215802U CN 209215802 U CN209215802 U CN 209215802U CN 201920031543 U CN201920031543 U CN 201920031543U CN 209215802 U CN209215802 U CN 209215802U
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- array substrate
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Abstract
This application provides a kind of display panel and display device, the display panel includes: color membrane substrates, is provided with black matrix on the color membrane substrates；Array substrate, array substrate setting first reflecting layer corresponding with the pictorial pattern of black matrix on the side of the color film；Backlight module, the backlight module include backlight and reflector plate, and the reflector plate and the color membrane substrates are respectively arranged at the array substrate two sides；Wherein, the light that the backlight issues reaches the color membrane substrates at least partly after first reflecting layer reflexes to the reflector plate, by the array substrate is passed through after reflector plate reflection.The application has the advantages that improve the light transmittance and light utilization efficiency of backlight module.
Description
Technical field
This application involves field of display technology, in particular to a kind of display panel and display device.
Background technique
Currently, color filter layers (the CF:color of liquid crystal display device (LCD:Liquid Crystal Display)
Filter) generally use black matrix (BM:Black Matrix) material as light shield layer, but black matrix is light-proof material,
The light of part light source can be absorbed, so that the light transmittance of liquid crystal display device reduces.
Utility model content
The main purpose of the application is to provide a kind of display panel, it is intended to which solving black matrix extinction in the prior art causes to show
The problem of light transmittance of showing device reduces.
To achieve the above object, a kind of display panel that the application proposes, the display panel includes: color membrane substrates, institute
It states and is provided with black matrix on color membrane substrates；Array substrate, the array substrate setting and black square on the side of the color film
Corresponding first reflecting layer of pictorial pattern of battle array；Backlight module, the backlight module include backlight and reflector plate, the reflection
Piece and the color membrane substrates are respectively arranged at the array substrate two sides；Wherein, the light that the backlight issues is at least partly
After first reflecting layer reflexes to the reflector plate, passed through described in array substrate arrival after reflector plate reflection
Color membrane substrates.
Optionally, the side of the array substrate towards the color membrane substrates is also equipped with the graphic diagram with the black matrix
Corresponding second reflecting layer of case.
Optionally, the thin film transistor (TFT) of multiple array arrangements, the thin film transistor (TFT) packet are provided in the array substrate
Gate electrode is included, the gate electrode is bottom grating structure, and the gate electrode is formed together with second reflection layer patternization.
Optionally, the thin film transistor (TFT) of multiple array arrangements, the thin film transistor (TFT) packet are provided in the array substrate
Gate electrode is included, the gate electrode is top gate structure, and the gate electrode is respectively formed with second reflecting layer, the grid
Pole electrode is set to above second reflecting layer.
Optionally, first reflecting layer and/or the second reflecting layer are metal material, and the metal material is silver, platinum, aluminium
Or copper.
Optionally, the backlight module is side entrance back module, and the backlight is set to the reflector plate side.
Optionally, the backlight module be down straight aphototropism mode set, the backlight be set to the reflector plate with it is described
Between array substrate.
Optionally, it is provided with insulating layer on the gate electrode, active layer, the active layer are provided on the insulating layer
On be provided with the source electrode and drain electrode of spaced thin film transistor (TFT).
Optionally, the black matrix defines multiple pixel units, and primary colours color blocking is provided in the pixel unit；The source
Passivation layer is covered on pole electrode and drain electrode, position corresponding with the pixel unit is provided with transparent on the passivation layer
Pixel electrode, the transparent pixel electrode are electrically connected by the via hole on passivation layer with the drain electrode；On the passivation layer
Position corresponding with the black matrix is provided with pad parting.
In addition, the application also proposes that a kind of display device, the display device include such as any of the above-described display panel.
The display panel that the application proposes and the display device with the display panel, have the following technical effect that
By the way that first layer reflective layer is arranged in the array substrate, script is reflexed to by the light that the black matrix absorbs again described
At color membrane substrates, improve the light transmittance and light utilization efficiency of the backlight module, can be improved the display panel brightness,
Save the luminous energy consumption of the display panel.And first reflecting layer is to be formed in array substrate away from the color film base
The side of plate, it is closer apart from the backlight, according to the diverging principle of point light source it is found that when the first reflecting layer is closer to the back
Light source, the reflectible light in the first reflecting layer is also more, thus further increase the backlight module light transmittance and
Light utilization efficiency.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of an embodiment of the application display panel；
Fig. 2 is the structural schematic diagram of another embodiment of the application display panel；
Fig. 3 is the structural schematic diagram of one embodiment of the application coloured silk film；
Fig. 4 is the structural schematic diagram of another embodiment of the application coloured silk film；
Fig. 5 is the structural schematic diagram of another embodiment of the application display panel.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.Base
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall in the protection scope of this application.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute only sets in the embodiment of the present application
Explanation is set in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in this application is only set as description purpose, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not this application claims guarantor
Within the scope of shield.
Also referring to Fig. 1-4, a kind of display panel 100 that the application proposes, the display panel 100 includes:
Color membrane substrates 10 are provided with black matrix 20 on the color membrane substrates 10；
Array substrate 30, the figure of the array substrate 30 setting and black matrix 20 on the side of the color membrane substrates 10
The corresponding first reflecting layer 40A of shape pattern；
Backlight module 50, the backlight module 50 include backlight 51 and reflector plate 52, the reflector plate 52 and the coloured silk
Ilm substrate 10 is respectively arranged at 30 two sides of array substrate；
Wherein, the light that the backlight 51 issues at least partly reflexes to the reflection through the first reflecting layer 40A
After piece 52, the color membrane substrates 10 are reached by the array substrate 30 is passed through after the reflector plate 52 reflection.
In the present embodiment, the black matrix 20 on the color membrane substrates 10 is also black matrix", and the black matrix 20 is in net
Trellis (as shown in Figure 2), defines multiple pixel units 21 in the black matrix 20, the pixel unit 21 be provided with it is red green/
Blue three kinds of primary colours color blockings 22, the effect of primary colours color blocking 22 are a part of spectrum absorbed in natural light, are only transmitted matching
Monochromatic spectrum forms the primary colours in colour mixture.20 main function of black matrix has:
(1) masking liquid crystal disorder as caused by scan line/data line attachment electric field disorder causes emergent light can not in turn
The light leakage of control；
(2) colour mixture between RGB sub-pix is prevented, the purity of display image is improved；
(3) semiconductor material (a-Si:H) for preventing extraneous pipeline to be irradiated on TFT channel with light sensitivity causes photoproduction
Electric current and TFT drain increase, and cause TFT that can not close influence display performance；
(4) in the black matrix of edge of display area 20, the effect for blocking backlight 51 is also acted as, and as viewing area and surrounding
Mechanical metal frame transitional region improve visual effect.
In the present embodiment, the array substrate 30 includes glass substrate, is existed by physical vapour deposition (PVD) such as sputtering technology
The array substrate 30 deposits the film layer of one layer of such as Ag, Al, Pt, Au high reflecting rate metal, and passes through subsequent cleaning, photoresist
(PR) be coated with, expose, development, etching, photoresist removing and etc. the array substrate 30 deviate from the color membrane substrates 10 side
Face, namely formed and 20 position of black matrix corresponding first on the color membrane substrates 10 close to the side of the backlight module 50
Reflecting layer 40A.And optionally, after the color membrane substrates 10 assemble box with array substrate 30, the first reflecting layer 40A
Completely overlapped or least partially overlapped with the black matrix 20 on the color membrane substrates 10 to the projection on box direction.
In embodiment, the backlight module 50, array base are set in sequence on the light direction of the backlight module 50
Plate 30 and color membrane substrates 10, the light issued from the backlight module 50 finally need to reach the pixel unit 21 on color membrane substrates 10
Picture is formed, and the light for reaching the pixel unit 21 is more, then the light transmittance of the backlight module 50 and light utilization efficiency be just
Higher, backlight module 50 is used to luminous electric energy can also be reduced accordingly.In the present embodiment, the backlight module 50 wraps
Backlight 51 and reflector plate 52 are included, the reflector plate 52 is respectively arranged at 30 liang of the array substrate with the color membrane substrates 10
Side, the backlight 51 may be disposed at (direct-light-type backlight) or setting between the reflector plate 52 and the array substrate 30
In any side (side-edge type backlight) of the reflector plate 52, then the light that backlight 51 issues at this time reaches there are three types of path
Pixel unit 21 on the color membrane substrates 10:
(1) as shown in Fig. 1 optical path 1, the light that backlight 51 issues reaches institute directly through the array substrate 30
State pixel unit 21；
(2) as shown in Fig. 1 optical path 2, the light that backlight 51 issues passes through the array base after the reflector plate 52 reflection
Plate 30 reaches the pixel unit 21；
(3) as shown in Fig. 1 optical path 3, the light that backlight 51 issues reflexes to the reflector plate through the first reflecting layer 40A
It after 52, is reflected by the reflector plate 52, reaches the pixel unit 21 across the array substrate 30.
In conclusion the present embodiment by the array substrate 30 be arranged one layer of first reflecting layer 40A, by script quilt
The light that the black matrix 20 absorbs is reflexed to again at the color membrane substrates 10, improves the light transmittance of the backlight module 50
And light utilization efficiency, it improves the brightness of the display panel 100, save the luminous energy consumption of the display panel 100；And described first
Reflecting layer 40A is formed in the side that array substrate 30 deviates from the color membrane substrates 10, relatively close apart from the backlight 51, root
The diverging principle of strong point light source is it is found that when the first reflecting layer 40A is closer to the backlight 51, the first reflecting layer 40A energy
The light of reflection is also more, to further increase the light transmittance and light utilization efficiency of the backlight module 50.
Optionally, as shown in Fig. 2, the side of the array substrate 30 towards the color membrane substrates 10 be also equipped with it is described
The corresponding second reflecting layer 40B of the pictorial pattern of black matrix 20.
In the present embodiment, when the second reflecting layer 40B is set to the array substrate 30 towards the color membrane substrates
When 10 side, the second reflecting layer 40B and institute are formed in the process flow of gate electrode 31 for forming thin film transistor (TFT)
It states gate electrode 31 to be formed together, is increased without other manufacturing process, further saves save the cost.
After the color membrane substrates 10 assemble box with the array substrate 30, the second reflecting layer 40B is set to described
Array substrate 30 is towards the side of the color membrane substrates 10；The backlight 51 may be disposed at the reflector plate 52 and the array
(direct-light-type backlight) or it is set to any side (side-edge type backlight) of the reflector plate 52 between substrate 30, then at this time
The light that backlight 51 issues can reach the pixel unit 21 on the color membrane substrates 10 through the 4th kind of path, as shown in Fig. 2, back
The light that light source 51 issues is reflected after the second reflecting layer 40B reflexes to reflector plate 52 by the reflector plate 52, passes through described
Array substrate 30 reaches the pixel unit 21.Light to further issue backlight 51 emits through the second reflecting layer 40B
After reach the color membrane substrates 10, rather than absorbed by the black matrix 20, to further increase the backlight module 50
Light transmittance and light utilization efficiency.
Optionally, refering to Fig. 5, the thin film transistor (TFT) of multiple array arrangements is provided in the array substrate 30, it is described thin
Film transistor includes gate electrode 31, and the gate electrode 31 is bottom grating structure, the gate electrode 31 and second reflection
Layer 40B is formed together.
In the present embodiment, as previously mentioned, the second reflecting layer 40B is set to the array substrate 30 towards described
When the side of color membrane substrates 10, and the gate electrode 31 be bottom grating structure when, the second reflecting layer 40B can be with the grid
Electrode 31 is formed in same process flow, to reduce process flow.
Optionally, the thin film transistor (TFT) of multiple array arrangements, the thin film transistor (TFT) are provided in the array substrate 30
Including gate electrode 31, the gate electrode 31 is top gate structure, described gate electrode 31 and the second reflecting layer 40B points
It is not formed, the gate electrode 31 is set to above the second reflecting layer 40B.
In the present embodiment, the gate electrode 31 be top gate structure, at this point, the gate electrode 31 not with the battle array
The substrate substrate of column substrate 30 directly contacts, and the second reflecting layer 40B is formed directly into the substrate of the array substrate 30
Substrate, the gate electrode 31 are formed separately with the second reflecting layer 40B, so that the gate electrode 31 be made to realize electric breathing exercise
Can, while the second reflecting layer 40B realizes light reflection function, and the second reflecting layer 40B is avoided to influence the gate electrode 31
It works normally.
Optionally, the first reflecting layer 40A and/or the second reflecting layer 40B is metal material.Still optionally further, institute
Stating metal is silver, platinum, aluminium or copper.
It in the present embodiment, can be with when the first reflecting layer 40A and/or the second reflecting layer 40B are metal material
It is formed simultaneously the second reflecting layer 40B and the gate electrode 31 in same process flow, realizes that the gate electrode 31 is same
When it is conductive can and high reflection it is forthright.It is appreciated that when the second reflecting layer 40B is not needed and the gate electrode 31
When being formed simultaneously, the secondth reflecting layer reflecting layer 40B 40A can use other lighttight nonmetallic materials.
Optionally, the backlight module 50 is side entrance back module 50, and the backlight 51A is set to the reflector plate
52 sides.
In the present embodiment, when the backlight 51 is set to 52 side of reflector plate, the light of the backlight 51 into
After entering between the array substrate 30 and the reflector plate 52, propagated in the following way: (1) as shown in Fig. 1 optical path 2a,
The light that backlight 51 issues reaches the pixel unit 21 across the array substrate 30 after the reflector plate 52 reflection；
(2) as shown in Fig. 1 optical path 3a, the light that backlight 51 issues reflexes to the reflection through the first reflecting layer 40A
It after piece 52, is reflected by the reflector plate 52, reaches the pixel unit 21 across the array substrate 30, thus will be originally by institute
The light for stating the absorption of black matrix 20 is reflexed to again at the color membrane substrates 10；
(3) as shown in Fig. 2 optical path 4a, the light that backlight 51 issues reflexes to the reflection through the second reflecting layer 40B
It after piece 52, is reflected by the reflector plate 52, reaches the pixel unit 21 across the array substrate 30, thus will be originally by institute
The light for stating the absorption of black matrix 20 is reflexed to again at the color membrane substrates 10, to improve the light transmittance of the backlight module 50
And light utilization efficiency.
Optionally, the backlight module 50 is down straight aphototropism mode set 50, and the backlight 51B is set to the reflector plate
Between 52 and the array substrate 30.
In the present embodiment, since the backlight 51 is set between the reflector plate 52 and the array substrate 30,
The propagation of light can be carried out in the following way:
(1) as shown in Fig. 1 optical path 1, the light that backlight 51B is issued reaches institute directly through the array substrate 30
State pixel unit 21；
(2) as shown in Fig. 1 optical path 2b, the light that backlight 51B is issued passes through described to institute after the reflector plate 52 reflection
It states array substrate 30 and reaches the pixel unit 21；
(3) as shown in Fig. 1 optical path 3b, the light that backlight 51 issues reflexes to the reflection through the first reflecting layer 40A
It after piece 52, is reflected by the reflector plate 52, reaches the pixel unit 21 across the array substrate 30；
(4) as shown in Fig. 2 optical path 4b, the light that backlight 51B is issued reflexes to described anti-through the second reflecting layer 40B
It after penetrating piece 52, is reflected by the reflector plate 52, reaches the pixel unit 21 across the array substrate 30, thus by script quilt
The light that the black matrix 20 absorbs is reflexed to again at the color membrane substrates 10, so that script is absorbed by the black matrix 20
Light is reflexed to again at the color membrane substrates 10, improves the light transmittance and light utilization efficiency of the backlight module 50.
Optionally, it is provided with insulating layer 32 on the gate electrode 31, active layer 33, institute are provided on the insulating layer 32
State the source electrode 34 and drain electrode 35 that spaced thin film transistor (TFT) is provided on active layer 33.
In the present embodiment, since the gate electrode 31 also has lighttight high reflection light rate, and grid electricity
The active layer 33 is set on pole 31, and the gate electrode 31 covers the active layer 33, prevents the active layer 33
It is illuminated by the light generation leakage current, influences thin film transistor (TFT) regular event.
Optionally, the black matrix 20 defines multiple pixel units 21, is provided with primary colours color blocking in the pixel unit 21
22；Be covered with passivation layer 36 on the source electrode 34 and drain electrode 35, on the passivation layer 36 with the pixel unit 21
Corresponding position is provided with transparent pixel electrode 37, and the transparent pixel electrode 37 passes through via hole 361 and institute on passivation layer 36
State the electrical connection of drain electrode 35；Position corresponding with the black matrix 20 is provided with pad parting 38 on the passivation layer 36.
In the present embodiment, the pad parting 38 can be column or spherical, and the pad parting 38 is set to the color film
Between substrate 10 and the array substrate 30, when the display panel 100 is by external pressure, the pad parting 38 can be protected
Demonstrate,prove the distance between the color membrane substrates 10 and described array substrate 30, damage when avoiding display panel 100 by external pressure.
The transparent pixel electrode 37 allows the light of the backlight 51 by the array substrate 30 and realizes electric function.
In addition, the application also proposes that a kind of display device, the display device include above-mentioned display panel 100.
In the present embodiment, since the display device includes above-mentioned display panel 100, thus at least have described above-mentioned
The above-mentioned technical effect of display panel 100, details are not described herein.In addition, the display device further includes shell and governor circuit
Deng.
The display panel 100 that the application proposes and the display device with the display panel 100, have following technology
Effect: (1) by the array substrate 30 be arranged one layer first reflecting layer 40A, script is absorbed by the black matrix 20
Light reflexed at the color membrane substrates 10 again, improve the light transmittance and light utilization efficiency of the backlight module 50, can be with
The luminous energy consumption for improving the brightness of the display panel 100, saving the display panel 100；(2) second reflecting layer
40B is formed while forming gate electrode 31, other manufacturing process, save the cost are increased without.
The foregoing is merely the alternative embodiments of the application, are not intended to limit the scope of the patents of the application, all at this
Under the application design of application, using equivalent structure transformation made by present specification and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the application.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes:
Color membrane substrates are provided with black matrix on the color membrane substrates；
Array substrate, the array substrate are arranged corresponding with the pictorial pattern of black matrix first on the side of the color film
Reflecting layer；
Backlight module, the backlight module include backlight and reflector plate, and the reflector plate is respectively set with the color membrane substrates
In the array substrate two sides；
Wherein, the light that the backlight issues is at least partly after first reflecting layer reflexes to the reflector plate, by institute
The array substrate arrival color membrane substrates are passed through after stating reflector plate reflection.
2. display panel according to claim 1, which is characterized in that the array substrate towards the color membrane substrates one
Side is also equipped with the second reflecting layer corresponding with the pictorial pattern of the black matrix.
3. display panel according to claim 2, which is characterized in that be provided with multiple array arrangements in the array substrate
Thin film transistor (TFT), the thin film transistor (TFT) includes gate electrode, the gate electrode be bottom grating structure, the gate electrode with
Second reflecting layer is formed together.
4. display panel according to claim 2, which is characterized in that be provided with multiple array arrangements in the array substrate
Thin film transistor (TFT), the thin film transistor (TFT) includes gate electrode, the gate electrode be top gate structure, the gate electrode with
Second reflecting layer is respectively formed, and the gate electrode is set to above second reflecting layer.
5. display panel according to claim 4, which is characterized in that first reflecting layer and/or the second reflecting layer are
Metal material, the metal material are silver, platinum, aluminium or copper.
6. display panel according to claim 1, which is characterized in that the backlight module is side entrance back module, institute
It states backlight and is set to the reflector plate side.
7. display panel according to claim 1, which is characterized in that the backlight module is down straight aphototropism mode set, institute
Backlight is stated to be set between the reflector plate and the array substrate.
8. display panel according to claim 3, which is characterized in that insulating layer is provided on the gate electrode, it is described
It is provided with active layer on insulating layer, the source electrode and drain electrode electricity of spaced thin film transistor (TFT) are provided on the active layer
Pole.
9. display panel according to claim 8, which is characterized in that the black matrix defines multiple pixel units, described
Primary colours color blocking is provided in pixel unit；Be covered with passivation layer on the source electrode and drain electrode, on the passivation layer with
The corresponding position of the pixel unit is provided with transparent pixel electrode, the transparent pixel electrode by via hole on passivation layer with
The drain electrode electrical connection；Position corresponding with the black matrix is provided with pad parting on the passivation layer.
10. a kind of display device, which is characterized in that the display device includes such as any one of claim 1-9 display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031543.8U CN209215802U (en) | 2019-01-04 | 2019-01-04 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031543.8U CN209215802U (en) | 2019-01-04 | 2019-01-04 | Display panel and display device |
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| CN209215802U true CN209215802U (en) | 2019-08-06 |
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ID=67467061
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615997A (en) * | 2019-08-26 | 2019-12-27 | 深圳市华星光电技术有限公司 | Composite material, preparation method thereof and display panel |
| CN111708219A (en) * | 2020-06-12 | 2020-09-25 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and display device |
| WO2021092999A1 (en) * | 2019-11-12 | 2021-05-20 | 惠州市华星光电技术有限公司 | Display |
| CN113359344A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel and liquid crystal display device |
| CN115857215A (en) * | 2022-12-14 | 2023-03-28 | 维沃移动通信有限公司 | Display screen and electronic equipment |
-
2019
- 2019-01-04 CN CN201920031543.8U patent/CN209215802U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615997A (en) * | 2019-08-26 | 2019-12-27 | 深圳市华星光电技术有限公司 | Composite material, preparation method thereof and display panel |
| CN110615997B (en) * | 2019-08-26 | 2021-11-23 | Tcl华星光电技术有限公司 | Composite material, preparation method thereof and display panel |
| WO2021092999A1 (en) * | 2019-11-12 | 2021-05-20 | 惠州市华星光电技术有限公司 | Display |
| CN111708219A (en) * | 2020-06-12 | 2020-09-25 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel and display device |
| CN113359344A (en) * | 2021-06-16 | 2021-09-07 | 武汉华星光电技术有限公司 | Array substrate, liquid crystal display panel and liquid crystal display device |
| CN115857215A (en) * | 2022-12-14 | 2023-03-28 | 维沃移动通信有限公司 | Display screen and electronic equipment |
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