CN209674140U - A kind of cover board and display equipment - Google Patents
A kind of cover board and display equipment Download PDFInfo
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- CN209674140U CN209674140U CN201920486643.XU CN201920486643U CN209674140U CN 209674140 U CN209674140 U CN 209674140U CN 201920486643 U CN201920486643 U CN 201920486643U CN 209674140 U CN209674140 U CN 209674140U
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Abstract
The utility model discloses a kind of cover board and display equipment, the cover board is applied to display equipment, and the cover board includes: clear area and shielded area, wherein the clear area, the pattern for showing through the display area of the display equipment；The shielded area, for blocking the non-display area of the display equipment, so that the non-display area is invisible in the outer surface of the display equipment；The shielded area includes first material layer, and in the chromaticity coordinates La*b* of the first material layer, the value range of L is 27.5 ~ 29；The first material layer is formed using photoresist.In this way, the integrated display effect of viewing area and non-display area in display equipment is improved, in particular so that the cover board has reached the appearance for putting out that one is black under screen state after being bonded with display panel.
Description
Technical field
The utility model relates to technical field of electronic device more particularly to a kind of cover board and display equipment.
Background technique
With the development of electronic technology, various mobile terminals are increasingly used in people's lives, these shiftings
Display screen is often set to show information in dynamic terminal.Glass cover-plate would generally be set before existing display screen, on the one hand, rise
To the effect of protection screen；On the other hand, the non-display area in display equipment can be blocked.
However, due to the background color of the display area of traditional display screen be LCM color, and the background color of non-display area is
The color of glass cover-plate shielded area material, therefore, when display screen, which is in, puts out screen state, the difference of the two color directly affects aobvious
Show integrated display effect of the area with non-display area, and then influences the appearance of display screen.
Summary of the invention
In view of this, the main purpose of the utility model is to provide a kind of cover board and display equipment.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of cover board, is applied to display equipment, the cover board includes: clear area and screening
Cover area, wherein
The clear area, the pattern for being shown through the display area of the display equipment；
The shielded area, for blocking the non-display area of the display equipment, so that the non-display area is described
Show that the outer surface of equipment is invisible；The shielded area includes first material layer, in the chromaticity coordinates La*b* of the first material layer
In, the value range of L is 27.5 ~ 29；The first material layer is formed using photoresist.
In above scheme, in the chromaticity coordinates La*b* of the first material layer, the value range of a* is taking for -1 ~ 1, b*
Being worth range is -1 ~ 1.
In above scheme, L is equal to 28.15.
In above scheme, the photoresist is specially photoresist ink.
In above scheme, the shielded area further includes second material layer, and the light transmittance of the second material layer is lower than 1%.
In above scheme, in the chromaticity coordinates La*b* of the second material layer, the value range of L is 25 ~ 26.5.
The utility model embodiment additionally provides a kind of display equipment, including display panel, has on the display panel
Display area and non-display area, the display equipment further includes cover board described in any one of above scheme, the lid
Plate is located on the display panel.
In above scheme, the display equipment is car-mounted display equipment.
Cover board provided by the utility model embodiment and display equipment, pass through the chromaticity coordinates to cover board shielded area material
It is analyzed, lightness l value therein is screened, it is integrated with non-display area so as to improve viewing area in display equipment
Display effect, in particular so that the cover board has reached the appearance for putting out that one is black under screen state after being bonded with display panel.
Detailed description of the invention
Fig. 1 is the main view of cover board provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view of display equipment provided by the embodiment of the utility model；
Fig. 3 is the graph of relation of the variation of L and the black effect of one in the chromaticity coordinates of first material layer.
Specific embodiment
In the various embodiments of the utility model, cover board is applied to display equipment, and the cover board includes: clear area and screening
Cover area, wherein the clear area, the pattern for showing through the display area of the display equipment；The shielded area, is used for
The non-display area of the display equipment is blocked, so that the non-display area is invisible in the outer surface of the display equipment；
The shielded area includes first material layer, in the chromaticity coordinates La*b* of the first material layer, the value range of L is 27.5 ~
29；The first material layer is formed using photoresist.
The utility model is further described in more detail below with reference to embodiment.
As depicted in figs. 1 and 2, Fig. 1 is the main view of cover board provided by the embodiment of the utility model；Fig. 2 is that this is practical new
The cross-sectional view for the display equipment that type embodiment provides.Cover board provided by the embodiment of the utility model is applied to display equipment, described
Cover board 10 includes: clear area 11 and shielded area 12, wherein
The clear area 11, the pattern for being shown through the display area 21 of the display equipment；
The shielded area 12, for blocking the non-display area 22 of the display equipment, so that the non-display area 22
It is invisible in the outer surface of the display equipment；The shielded area 12 includes first material layer 121, in the first material layer
In 121 chromaticity coordinates La*b*, the value range of L is 27.5 ~ 29；The first material layer 121 is formed using photoresist.
Lab chromaticity coordinates is according to Commission International Eclairage(CIE) it was formulated in 1931
A kind of measurement color international standard establish.A kind of color mode for being modified, and naming in 1976.Lab color
Model compensates for the deficiency of two kinds of color modes of RGB and CMYK.It is that a kind of device-independent color model and one kind are based on
The color model of physiological characteristic.
In Lab chromaticity coordinates, a color space can be indicated with tri- elements of L, a*, b*, wherein L is indicated
Brightness, a* and b* indicate two Color Channels.L value is ascending, corresponds to brightness by secretly to bright；A* value is right by+a* to-a*
It should be in color by magenta to green；B* value corresponds to color by yellow to blue by+b* to-b*.The form and aspect of any color and
Feature can be indicated with a*, b* numerical value, can describe any color in nature with tri- numerical value of L, a*, b*.In Lab
In the image of mode, color and level are separation, this point with RGB and CMYK be it is different, this make Grey curves with
Colored curve can be separated and be adjusted, and when user adjusts Grey curves, colored part is unaffected, therefore can be only with not having
There is the channel L of colouring information to determine the most bright of image and most dark value.It so both can be to avoid having generated one in color correction process
A little jumping characteristics, the discontinuous color of contrast, can also only on the channel L sharpening image come the subtle layer of entirety of emphasizing image
It is secondary.The range of L value is that 100(is white) black to 0()；The variation range of a* and b* is from -100 to 100.Any color can be in space
L, a*, b* of corresponding points are determined.
In order to improve the integrated display effect of different zones in display equipment, the color in display each region of equipment is carried out
Lab chromaticity coordinates indicates.Wherein, show that the display area 21(of equipment (specially display panel) is also referred to as the area AA) and the lid
The clear area 11 of plate overlaps, and collectively forms visible area (area VA)；Non-display area 22(is also referred to as black surround area) and the cover board
Shielded area 12 overlap, collectively form non-visible area.The area display panel AA is bonded using transparent glass in test, simulation is saturating
The area the display panel AA La*b* value that the area VA of cover board obtains is crossed, the La*b* value for then measuring different cover board shielded areas material carries out
Comparison；As a result, it has been found that the a*b* value in cover board shielded area and the area display panel AA generally all between ± 0.1, differs smaller, because
This, L value becomes the major parameter for influencing the integrated black effect of display equipment.Display equipment to realize one it is black, cover board shielded area and
The L value in the area display panel AA needs infinite approach, and the two numerical value difference is smaller, and the black effect of one is better.
Fig. 3 shows the relation curve of the variation of L and the black effect of one in the chromaticity coordinates of cover board shielded area first material layer
Figure.Experiments have shown that the L value in the area display panel AA is generally 27.5 or more；Dotted line shows display panel in an embodiment in figure
The area AA has a brightness value LAAAnd its corresponding color (specially black BK), solid line are bright in the chromaticity coordinates of first material layer
Spend the change curve of color when L is different value.Studied by a large number of experiments, when first material layer L value range be 27.5 ~
When 29, show that viewing area and the integrated display effect of non-display area are preferable in equipment.Therefore, in the embodiment of the present application, select
The material that the value range for selecting L is 27.5 ~ 29 forms the first material layer of the shielded area.
Further, for ink material, these three parameters of L, a*, b* are interrelated, adjust any one parameter, other
Two parameters change correspondingly；Such as: when L is adjusted to 28, a* or b* will exceed ± 1, and in order to guarantee that ink colors are
Black, the value range of a*, b* are usually -1 ~ 1, if adjustment L value changes the color of ink, this mode obviously can not
Row.Based on this, in the embodiment of the present application, the first material layer is formed using photoresist.L value of photoresist itself compared with
Height can reduce the color difference of shielded area Yu the area AA by selecting the photoresist of suitable L value well.In practical application
In, first test the La*b* value of the area client's display panel AA fitting transparent glass, the display surface that simulation is obtained through the area cover board VA
Then the area plate AA La*b* value selects the photoresist ink close to this La*b* value (especially L value), does BM, shape using yellow light mode
At the first material layer 121.
It is to be appreciated that showing that equipment is, for example, LCD(Liquid Crystal described in the embodiment of the present application
Display, liquid crystal display) or OLCD(Organic Light-Emitting Diode, organic light emitting diode) etc..It is described
Non-display area 22 constitutes the black surround that is commonly called as of people, inside can be the driving circuit structure of the display equipment.
The cover board 10 can pass through OCA(Optically Clear Adhesive, Optical transparent adhesive) and display equipment
Display panel 20 be bonded.The shielded area 12 can be located at the edge of the clear area 11.
In an alternative embodiment, in the chromaticity coordinates La*b* of the first material layer, the value range of a* is -1 ~ 1,
The value range of b* is -1 ~ 1.
In conjunction with attached drawing 3, in the embodiment of the present application, the brightness value L of the further preferred first material layer is equal to
28.15, to obtain the black effect of best one.
In an alternative embodiment, the photoresist is specially photoresist ink.
In an alternative embodiment, the shielded area further includes second material layer (not shown), second material
The light transmittance of layer is lower than 1%.
It is to be appreciated that the first material layer can be main in the case where the shielded area further includes second material layer
For improving the color difference of shielded area Yu the area AA；And material of the second material layer by light transmittance lower than 1% is formed, thus
It is mainly used for light-blocking, that is, after the light that second material layer issues display panel is reflected and absorbed, light can not be through institute the
One material layer is transmitted from the cover board, to avoid light leakage phenomena, prevents shielded area part on cover board from speck occur, into one
Step improves the appearance of display equipment.
In an alternative embodiment, in the chromaticity coordinates La*b* of the second material layer, the value range of L is 25 ~
26.5.It is appreciated that the second material layer be mainly used for it is light-blocking, it is therefore, high to the light transmittance requirement of material, and material
Brightness value L can choose in the range of 25 ~ 26.5.
The utility model embodiment additionally provides a kind of display equipment.As shown in Fig. 2, the display equipment includes display surface
Plate 20 has display area 21 and non-display area 22 on the display panel 20, and the display equipment 20 further includes above-mentioned
Cover board 10 described in any one of embodiment, the cover board 10 are located on the display panel 20.
In an alternative embodiment, the display equipment 20 is car-mounted display equipment.
It should be appreciated that display equipment provided by the utility model and cover board technical solution belong to a total inventive concept,
Technical characteristic in the absence of conflict can be in any combination in each technical solution；Further, here for display equipment
Each specific features repeat no more.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model.
Claims (8)
1. a kind of cover board is applied to display equipment, which is characterized in that the cover board includes: clear area and shielded area, wherein
The clear area, the pattern for being shown through the display area of the display equipment；
The shielded area, for blocking the non-display area of the display equipment, so that the non-display area is in the display
The outer surface of equipment is invisible；The shielded area includes first material layer, in the chromaticity coordinates La*b* of the first material layer, L
Value range be 27.5 ~ 29；The first material layer is formed using photoresist.
2. cover board according to claim 1, which is characterized in that in the chromaticity coordinates La*b* of the first material layer, a*'s
Value range is that the value range of -1 ~ 1, b* is -1 ~ 1.
3. cover board according to claim 1, which is characterized in that L is equal to 28.15.
4. cover board according to claim 1, which is characterized in that the photoresist is specially photoresist ink.
5. cover board according to claim 1, which is characterized in that the shielded area further includes second material layer, and described second
The light transmittance of material layer is lower than 1%.
6. cover board according to claim 5, which is characterized in that in the chromaticity coordinates La*b* of the second material layer, L's
Value range is 25 ~ 26.5.
7. a kind of display equipment, including display panel, there is display area and non-display area on the display panel, it is special
Sign is that the display equipment further includes cover board described in any one of claim 1 to 6, and the cover board is located at described aobvious
Show on panel.
8. display equipment according to claim 7, which is characterized in that the display equipment is car-mounted display equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486643.XU CN209674140U (en) | 2019-04-11 | 2019-04-11 | A kind of cover board and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920486643.XU CN209674140U (en) | 2019-04-11 | 2019-04-11 | A kind of cover board and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209674140U true CN209674140U (en) | 2019-11-22 |
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ID=68574003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920486643.XU Active CN209674140U (en) | 2019-04-11 | 2019-04-11 | A kind of cover board and display equipment |
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| CN (1) | CN209674140U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306295A (en) * | 2020-10-28 | 2021-02-02 | 京东方科技集团股份有限公司 | Display module, manufacturing method thereof and display device |
| CN112599573A (en) * | 2020-12-10 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN114973961A (en) * | 2022-06-07 | 2022-08-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and control method of display panel |
-
2019
- 2019-04-11 CN CN201920486643.XU patent/CN209674140U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306295A (en) * | 2020-10-28 | 2021-02-02 | 京东方科技集团股份有限公司 | Display module, manufacturing method thereof and display device |
| CN112306295B (en) * | 2020-10-28 | 2024-01-23 | 京东方科技集团股份有限公司 | Display module, manufacturing method thereof and display device |
| CN112599573A (en) * | 2020-12-10 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN112599573B (en) * | 2020-12-10 | 2023-10-31 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN114973961A (en) * | 2022-06-07 | 2022-08-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and control method of display panel |
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