CN105161008B - A kind of glass cover-plate and display screen - Google Patents
A kind of glass cover-plate and display screen Download PDFInfo
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- CN105161008B CN105161008B CN201510666996.4A CN201510666996A CN105161008B CN 105161008 B CN105161008 B CN 105161008B CN 201510666996 A CN201510666996 A CN 201510666996A CN 105161008 B CN105161008 B CN 105161008B
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- glass cover
- plate
- curvature
- top surface
- light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
Abstract
The invention discloses a kind of glass cover-plate and display screen, and the glass cover-plate includes frame region, black matrix region and viewing area, and has top surface and bottom surface；The bottom surface frame region towards the side of top surface be reflecting surface；Top surface is to extend to the curvature portion of bottom surface in frame region, and is the planar section parallel to bottom surface in black matrix region and viewing area；The curvature of wherein curvature portion to be totally reflected when passing through curvature portion from the light of the bottom surface of viewing area injection.Using glass cover-plate of the present invention frame region and black matrix region can be made to have Luminance Distribution, give the Cognitive Effects of narrow frame.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of glass cover-plate and display screen.
Background technology
With the continuous development of Display Technique, the frame of wherein display screen also the more does the more narrow, i.e., the glass above display panel
The frame of glass cover plate the more does the more narrow, in order that the display area size increase of terminal display screen, and terminal will not be because of display screen
The increase of size and increase on year-on-year basis, it is necessary to which display screen frame to be done to effect that is small, or even accomplishing Rimless.
The display effect of narrow frame typically is realized by the way of frame physical size is changed in the prior art, is being shown
The setting of frame is for ensureing the clear of viewing area edge in screen, therefore simple can not accomplish frame mistake from physical size
It is small, and based on current technological ability, change physical size also can not be made small by frame, i.e., in current display screen
The effect of narrow frame can not also be realized.
The content of the invention
The present invention proposes a kind of glass cover-plate and display screen to solve not realizing that the technology of narrow frame is asked in the prior art
Topic.
In order to solve the above technical problems, the present invention proposes a kind of glass cover-plate, including frame region, black matrix region and aobvious
Show region, glass cover-plate has top surface and bottom surface；Bottom surface is reflecting surface towards the side of top surface in frame region, and top surface is in frame
Region is the curvature portion for extending to bottom surface；Top surface is in the planar portions that black matrix region and viewing area are parallel to bottom surface
Point；The curvature of curvature portion to be totally reflected when passing through curvature portion from the light of the bottom surface of viewing area injection.
Wherein, micro-structural is provided with reflecting surface, for controlling the light by reflective surface from the planar section of top surface
Project.
Wherein, the maximum normal distance of the curvature portion of top surface and bottom surface be more than top surface plane part it is vertical with bottom surface away from
From.
Wherein, the curvature of top surface curvature portion meets following mathematical formulae：Sina=sin90 °/n, wherein n is glass cover
The refractive index of plate, a are the cirtical angle of total reflection；F (b)=1/ | tan (90 ° of-a+b) |, wherein b is from the bottom surface of the viewing area
Inject the incidence angle of light；K=df (b)/db, the formula are the differential equation, and k is the curvature.
Wherein, incidence angle b is more than or equal to 0 degree, less than or equal to 60 degree.
Wherein, a is more than or equal to 41.8 °.
Wherein, it is full during curvature portion make it that the light from the injection of the bottom surface of viewing area passes through for the curvature of top surface curvature portion
Portion is totally reflected.
Wherein, the curvature of top surface curvature portion causes from the light of the bottom surface of viewing area injection, and incidence angle is 0 degree and arrived
60 degree of light is totally reflected when passing through curvature portion.
In order to solve the above technical problems, the present invention also proposes a kind of display screen, it includes above-described glass cover-plate.
Wherein display screen further comprises display panel, and glass cover-plate is arranged above display panel, and display panel is sent
Light injects glass cover-plate.
The invention has the advantages that being different from prior art, glass cover-plate of the present invention includes frame region, black matrix area
Domain and viewing area, it has a top surface and bottom surface, bottom surface frame region towards the side of top surface be reflecting surface；Top surface is in frame
Region is the curvature portion for extending to bottom surface, and top surface is in the planar portions that black matrix region and viewing area are parallel to bottom surface
Point, the curvature of curvature portion to be totally reflected when passing through curvature portion from the light of the bottom surface of viewing area injection, herein
The setting of total reflection so that the light into frame region is no longer all to reflect away, but some light can pass through entirely
Reflect back into the reflecting surface of bottom surface, then by being projected again after reflective surface, the light now projected can enter human eye, make
Human eye can feel that frame brightness improves, so as to give human eye with the Cognitive Effects of narrow frame.
Brief description of the drawings
Fig. 1 is the structural representation of glass cover-plate first embodiment of the present invention；
Fig. 2 is the structural representation of glass cover-plate in the prior art；
Fig. 3 is the structural representation of display screen first embodiment of the present invention.
Embodiment
Refering to Fig. 1, Fig. 1 is the structural representation of glass cover-plate first embodiment of the present invention, present embodiment glass cover
Plate 100 includes frame region 11, black matrix region 12 and viewing area 13.
In present embodiment, glass cover-plate 100 is covered on display panel, collectively forms display screen, in glass cover-plate 100
Frame region 11 is the frame portion of display panel periphery；Black matrix on the corresponding display panel in black matrix region 12, Ji Gai areas
Display panel does not have light and sent corresponding to domain；And viewing area 13 correspond to have the display panel that light is sent, for scheming
The display of picture.
Glass cover-plate 100 has top surface 14 and a bottom surface 15, wherein bottom surface 15 in frame region 11 towards the side of top surface 14
For reflecting surface 151, top surface 14 is to extend to the curvature portion 141 of bottom surface 15 in frame region 11, and top surface 14 is in black matrix area
Domain 12 and viewing area 13 are the planar section 142 parallel to bottom surface.
Wherein, the process for forming reflecting surface 151 is that reflecting material is covered in the bottom surface of the frame region 11 of glass cover-plate 100
On, it can specifically use the modes such as coating, printing or attaching.The curvature design of curvature portion 141 is then in order that from viewing area
The light that the bottom surface 15 in domain 13 is injected is totally reflected when passing through curvature portion 141.
Specifically, the path of light is as shown in figure 1, light enters glass cover-plate by the bottom surface 15 of viewing area 13
100, it is totally reflected in the A1 points of curvature portion 141, light reflexes to the reflecting surface 151 of bottom surface 15, in the B1 of reflecting surface 151
Point is reflected, and this light reflected away is projected by curvature portion 141 or planar section 142 and enters human eye, and also having can
It can again be totally reflected in curvature portion 141, be projected again after returning to reflecting surface 151.
And in the prior art, the path of light is as shown in Fig. 2 Fig. 2 is the structural representation of glass cover-plate in the prior art.
Glass cover-plate 200 in Fig. 2 also includes frame region 21, black matrix region 22 and viewing area 23, has top surface 24 and bottom surface
25.Light injects glass cover-plate 200 from the bottom surface 25 of viewing area 23, then refraction occurs from the A2 points of top surface 24 and projects, now
The light projected by frame region 21 and black matrix region 22 is that diverging is outside.
The light outwards dissipated in the prior art enters the less of human eye, i.e., the frame region 21 that human eye perceives compared with
Secretly；And radiation direction makes human eye perceive point injection of the light by close viewing area 23 or in viewing area 23, now
The brightness that human eye perceives viewing area 23 is bigger, and apparently frame region 21 then seems darker for contrast.
And final irradiant direction is directed towards viewing area 13 in the application, human eye can be more entered, is made
Human eye perceives the larger frame region 11 of brightness and black matrix region 12；And because light projects direction, perceive human eye
To light is projected projected by the point in frame region 11, therefore what human eye perceived is that the brightness of frame region 11 is larger, by
This energy blurred band region 11 and both optical bounds with viewing area 13 of black matrix region 12, to give regarding for narrow frame
Feel cognition.
The angle of incidence of light situation that light enters glass cover-plate 100 from the bottom surface 15 of viewing area 13 is more, wherein entering
Light of the firing angle at 0 degree to 60 degree, luminous energy effect is preferable, therefore considers manufacturing cost, technological ability, in present embodiment, only
The light for only making incidence angle be 0 degree to 60 degree is totally reflected in curvature portion 141.In other embodiments, can also be selected into
Situations such as firing angle is 0 degree to 50 degree, or in the case of not considering manufacturing cost, make the light injected from the bottom surface 15 of viewing area 13
Line is all totally reflected when passing through curvature portion 141.
By curvature portion 141 or plane after light is totally reflected by curvature portion 141 in the application, reflecting surface 151 reflects
Part 142 is projected, if the light projected by curvature portion 141 is more, easily forms the effect of lens, i.e. light skewness
Even, visual experience is poor.Therefore more projected in order that obtaining light from planar section 142, reflecting surface 151 in present embodiment
On be additionally provided with micro-structural, with guiding projected by the light that reflecting surface 151 reflects from planar section 142.
Curvature portion 141 has lens effect, and the region of its connection planar section 142 easily causes viewing area 11 and shown
The deformation of diagram picture, therefore to ensure that the curvature portion 141 near planar section 142 will not occur to reflect light extraction, this embodiment party
The maximum normal distance h1 of formula mean camber part 141 and bottom surface 15 is more than planar section 142 and the vertical range h2 of bottom surface 15.
When designing the glass cover-plate 100, wherein the curvature of curvature portion 141 is designed according to below equation：
(1) sina=sin90 °/n, wherein n is the refractive index of glass cover-plate, and a is the cirtical angle of total reflection；
(2) f (b)=1/ | tan (90 ° of-a+b) |, wherein b is the incidence angle that light is injected from the bottom surface of viewing area, and |
Tan (90 ° of-a+b) | represent to take tan (90 ° of-a+b) absolute value.
(3) k=df (b)/db, the formula are the differential equation, and k is the curvature.
The cirtical angle of total reflection a of glass cover-plate is drawn by formula (1) first, i.e., for the light for being incident upon curvature portion 142,
It can be all totally reflected when its incidence angle is more than a.For the different glass cover plate of unlike material, its critical angle is different, this
In embodiment by taking a=41.8 ° of critical angle as an example.Formula (2) represents the tangent slope of curvature portion 141, and formula (3) is then
Expression is differentiated to tangent slope to obtain curvature.
It is totally reflected due to obtaining a=41.8 ° in formula (1), therefore to realize, a can be more than or equal to value in formula (2)
41.8°.For formula (2) it should be noted that incidence angle b is the bottom surface of viewing area 13 and the bottom surface junction of black matrix region 12
Inject the incidence angle of light.And as described in foregoing, consider luminous energy effect and manufacturing process, it is 0 degree to 60 only to make incidence angle
The light of degree is totally reflected in curvature portion 141, therefore incidence angle b value is more than or equal to 0 degree, less than or equal to 60 degree.
For formula (3), the calculating carried out in a computer by algorithm to the formula be in units of △ b=0.1 °,
F (b+ △ b) and f (b) is calculated respectively, then according to the formula about k：K=(1/ | tan (90 ° of-a+b+ △ b) | -1/ | tan
(90 ° of-a+b) |)/△ b obtain curvature value, i.e., b corresponding curvature values in 0 degree to 60 degree section are calculated according to the thought of differential
K, then curvature portion 141 is simulated according to curvature value k, certain adjustment may be needed in simulation process, it is final to obtain
To the curved surface that can continuously lead.
The light that the curvature portion 141 obtained by this method enables to incidence angle to be 0 degree to 60 degree is totally reflected,
Then its exit direction is changed by reflecting surface 151, is that human eye perceives frame region 11 and has greater brightness, gives narrow frame
Visual cognition.
Referring to Fig. 3, Fig. 3 is the structural representation of display screen first embodiment of the present invention, shown in present embodiment
Screen 300 includes glass cover-plate 31 and display panel 32.
Wherein glass cover-plate 31 is similar with above-mentioned glass cover-plate 100, therefore repeats no more.Glass cover-plate 31 is arranged on display
The top of panel 32, the light that the display panel 32 is sent injects glass cover-plate 31, and is projected by glass cover-plate 31 and realize display screen
300 display.
Prior art is different from, glass cover-plate of the present invention includes frame region, black matrix region and viewing area, and it has
Top surface and bottom surface, bottom surface frame region towards the side of top surface be reflecting surface；Top surface is to extend to bottom surface in frame region
Curvature portion, top surface make in the planar section that black matrix region and viewing area are parallel to bottom surface, the curvature of curvature portion
The light that bottom surface derived from viewing area is injected is totally reflected when passing through curvature portion, the setting being totally reflected herein so that enter
The light for entering frame region is no longer all to reflect away, but some light can pass through the reflection that total reflection returns to bottom surface
Face, then by being projected again after reflective surface, the light now projected can enter human eye, human eye is felt frame
Brightness improves, so as to give human eye with the Cognitive Effects of narrow frame.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (8)
- A kind of 1. glass cover-plate, it is characterised in that the glass cover-plate includes frame region, black matrix region and viewing area, The glass cover-plate has top surface and bottom surface；The bottom surface is reflecting surface towards the side of the top surface in the frame region, and the top surface is in the frame region Extend to the curvature portion of the bottom surface；The top surface is in the planar section that the black matrix region and the viewing area are parallel to the bottom surface；The curvature of the curvature portion to send out when passing through the curvature portion from the light of the bottom surface of viewing area injection Raw total reflection；The curvature of the top surface curvature portion meets following mathematical formulae：Sina=sin90 °/n, wherein n is the refractive index of glass cover-plate, and a is the cirtical angle of total reflection；F (b)=1/ | tan (90 ° of-a+b) |, wherein b is the incidence angle that light is injected from the bottom surface of the viewing area, 0≤b≤ 60°；K=df (b)/db, the formula are the differential equation, and k is the curvature.
- 2. glass cover-plate according to claim 1, it is characterised in that micro-structural is provided with the reflecting surface, for controlling System is projected by the light of the reflective surface from the planar section of the top surface.
- 3. glass cover-plate according to claim 1, it is characterised in that the curvature portion of the top surface and the bottom surface are most Big vertical range is more than the vertical range of the top surface plane part and the bottom surface.
- 4. glass cover-plate according to claim 1, it is characterised in that a is more than or equal to 41.8 °.
- 5. glass cover-plate according to claim 1, it is characterised in that the curvature of the top surface curvature portion causes described in The light that the bottom surface of viewing area is injected all is totally reflected when passing through the curvature portion.
- 6. glass cover-plate according to claim 1, it is characterised in that the curvature of the top surface curvature portion causes described in In the light that the bottom surface of viewing area is injected, incidence angle is that 0 degree to 60 degree of light is all-trans when passing through the curvature portion Penetrate.
- 7. a kind of display screen, it is characterised in that the display screen includes the glass cover-plate any one of claim 1-6.
- 8. display screen according to claim 7, it is characterised in that the display screen further comprises display panel, described Glass cover-plate is arranged above the display panel, and the display panel, which emits beam, injects the glass cover-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666996.4A CN105161008B (en) | 2015-10-14 | 2015-10-14 | A kind of glass cover-plate and display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666996.4A CN105161008B (en) | 2015-10-14 | 2015-10-14 | A kind of glass cover-plate and display screen |
Publications (2)
| Publication Number | Publication Date |
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| CN105161008A CN105161008A (en) | 2015-12-16 |
| CN105161008B true CN105161008B (en) | 2018-01-09 |
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| CN201510666996.4A Active CN105161008B (en) | 2015-10-14 | 2015-10-14 | A kind of glass cover-plate and display screen |
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| CN105654876B (en) * | 2016-03-31 | 2019-04-05 | Oppo广东移动通信有限公司 | Electronic device and aging compensation approach with display screen compensation of ageing function |
| CN105913799B (en) * | 2016-03-31 | 2017-10-03 | 广东欧珀移动通信有限公司 | A kind of display screen and terminal |
| CN108037796B (en) * | 2017-12-21 | 2019-10-01 | Oppo广东移动通信有限公司 | Electronic device, display control method and Related product |
| CN108216043A (en) * | 2018-02-06 | 2018-06-29 | 深圳市歌美迪电子技术发展有限公司 | It is a kind of that there is the rearview mirror of display instrument and its control system |
| CN113053236B (en) * | 2021-03-02 | 2022-11-29 | Oppo广东移动通信有限公司 | Electronic equipment, display module and cover plate |
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| TW201037404A (en) * | 2009-04-03 | 2010-10-16 | Au Optronics Corp | Display device and multi display apparatus |
| CN102262842A (en) * | 2010-05-28 | 2011-11-30 | 曹嘉灿 | frameless display method and device |
| CN102129816A (en) * | 2011-01-24 | 2011-07-20 | 冠捷显示科技（厦门）有限公司 | Display product having frameless visual effect |
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| CN105161008A (en) | 2015-12-16 |
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