CN204328883U - A kind of high backlight arrangement covering diffuser plate and a kind of display - Google Patents
A kind of high backlight arrangement covering diffuser plate and a kind of display Download PDFInfo
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- CN204328883U CN204328883U CN201420779991.3U CN201420779991U CN204328883U CN 204328883 U CN204328883 U CN 204328883U CN 201420779991 U CN201420779991 U CN 201420779991U CN 204328883 U CN204328883 U CN 204328883U
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Abstract
The utility model relates to a kind of high backlight arrangement covering diffuser plate and a kind of display.Height covers diffuser plate and is characterised in that: on the exiting surface of diffuser plate body, be formed with several transparent projections, between projection, the exiting surface of diffuser plate body all covers or the exiting surface part of diffuser plate body covers by discrete arrangement by close-packed arrays, the upper surface of all projections and the exiting surface of diffuser plate body do not covered by projection form a uneven and diffuse surface making the scattering of incident light multi-angle in irregular shape jointly, and protruding upper surface refers to the outer surface removing remaining projection behind protruding bottom surface.It is conducive to the diffuse reflection to source light, the direction of the light that diffuser plate is reflected away is more unordered, have very large shielding to light source, solve the problem that LED shadow under direct-type backlight ultra-thin state covers, only need on diffuser plate body shaping projection can cost low.
Description
Technical field
The utility model height related in a kind of direct LED backlight device of display covers the direct LED backlight device of diffuser plate and a kind of display.
Background technology
Existing bottom lighting type backlight device comprises diffuser plate, light source, and the light of light source injects diffuser plate, and by the diffusivity of diffuser plate, control position and the energy of light injection, existing diffuser plate is mostly made up of 3 diffusion sheets.
Shortcoming: 1. existing diffuser surface structure is too regular, the dispersal direction of light can not realize the wide-angle of light, multi-angle diffuse reflection.
2., according to existing structure, along with the reduction of existing direct-type backlight light mixing distance, must realize by increasing diffusion sheet to realize high shielding, cost is high.
Utility model content
The utility model is intended to solve the problem, provide a kind of high backlight arrangement covering diffuser plate and a kind of display, it is conducive to the diffuse reflection to source light, the direction of the light that diffuser plate is reflected away is more unordered, very large shielding is had to light source, solve the problem that LED shadow under direct-type backlight ultra-thin state covers, only need on diffuser plate body shaping projection can cost low, its technical scheme adopted is as follows:
One is high covers diffuser plate, it is characterized in that: on the exiting surface of diffuser plate body, be formed with several transparent projections, between described projection, the exiting surface of diffuser plate body all covers or the exiting surface part of diffuser plate body covers by discrete arrangement by close-packed arrays, the upper surface of all projections and the exiting surface of diffuser plate body do not covered by projection form a uneven and diffuse surface making the scattering of incident light multi-angle in irregular shape jointly, and the upper surface of described projection refers to the outer surface removing remaining projection behind protruding bottom surface.
On technique scheme basis, the refractive index of described projection is different from the refractive index of diffuser plate body.
On technique scheme basis, the height of described projection is 100um-120um.
On technique scheme basis, between adjacent projection, center distance is 1mm-3mm.
A kind of above-mentioned height covers the backlight arrangement of the display that diffuser plate is made, it is characterized in that: comprise the strip-shaped light source, reflector plate and the diffuser plate body that are made up of LED, described reflector plate is positioned at the both sides of strip-shaped light source, the incidence surface of described diffuser plate body is towards strip-shaped light source, and exiting surface deviates from strip-shaped light source.
The utility model tool has the following advantages: be conducive to the diffuse reflection to source light, the direction of the light that diffuser plate is reflected away is more unordered, very large shielding is had to light source, solve the problem that LED shadow under direct-type backlight ultra-thin state covers, only need on diffuser plate body shaping projection can cost low.
Accompanying drawing explanation
Fig. 1: a kind of high situation structure for amplifying schematic diagram covering diffuser plate of embodiment 1;
Fig. 2: the structural representation of the backlight arrangement of a kind of display of embodiment 1;
Fig. 3: a kind of high situation structure for amplifying schematic diagram covering diffuser plate of embodiment 2;
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
Embodiment 1
As shown in Figure 1, the one of the present embodiment is high covers diffuser plate, it is characterized in that: on the exiting surface 7 of diffuser plate body 1, be formed with several transparent projections 2, between described protruding 2, the exiting surface of diffuser plate body 1 all covers by close-packed arrays, all upper surfaces of protruding 2 form a uneven and diffuse surface 3 making the scattering of incident light multi-angle in irregular shape jointly, and the described upper surface of protruding 2 refers to the remaining outer surface of protruding 2 behind the bottom surface of removing protruding 2.
As shown in Figure 1, the projection 2 in the present embodiment is irregular oval hemispherical and the height of protruding 2 is different, and it is only a kind of example, should not be only limitted to this.As long as the shape of protruding 2 and distribution meet can make incident light multi-angle disordered chain as far as possible.
Preferably, the described refractive index of protruding 2 is different from the refractive index of diffuser plate body 1.
Preferably, the height of described projection is 100um-120um.
Further, between adjacent projection, center distance is 1mm-3mm.
As shown in Figure 2, a kind of above-mentioned height covers the backlight arrangement of the display that diffuser plate is made, comprise the strip-shaped light source 4 be made up of LED, reflector plate 5 and diffuser plate body 1, described reflector plate 5 is positioned at the both sides of strip-shaped light source 4, the incidence surface 6 of described diffuser plate body 1 is towards strip-shaped light source 4, exiting surface 7 deviates from strip-shaped light source 4, the exiting surface 7 of diffuser plate body 1 is formed several transparent projections 2, between described protruding 2, the exiting surface of diffuser plate body 1 all covers by close-packed arrays, all upper surfaces of protruding 2 form a uneven and diffuse surface 3 making the scattering of incident light multi-angle in irregular shape jointly, the described upper surface of protruding 2 refers to the remaining outer surface of protruding 2 behind the bottom surface of removing protruding 2.
The light of strip-shaped light source 4 is injected after in diffuser plate body 1, shape due to protruding 2 and/or distribution are irregular, each protruding 2 mutual diffuse reflections, effectively light is realized the transmission of different angles, light is made to realize irregular diffuse reflection, improve the shielding of diffuser plate, be conducive to the problem solving LED shadow in vision.
Embodiment 2
As shown in Figure 3, one is high covers diffuser plate, it is characterized in that: on the exiting surface 7 of diffuser plate body 1, be formed with several transparent projections 2, between described protruding 2, exiting surface 7 part of diffuser plate body 1 covers by discrete arrangement, all upper surfaces of protruding 2 and jointly do not formed a uneven and diffuse surface 3 making the scattering of incident light multi-angle in irregular shape by the exiting surface of the protruding 2 diffuser plate bodies 1 covered, the described upper surface of protruding 2 refers to the remaining outer surface of protruding 2 behind the bottom surface of removing protruding 2.
As shown in Figure 3, projection 2 cross section in the present embodiment is that trapezoidal and protruding 2 height is different, and it is only a kind of example, should not be only limitted to this.The cross section of protruding 2 also can be triangular pyramid or pyramid.
Preferably, the described refractive index of protruding 2 is different from the refractive index of diffuser plate body 1.
Preferably, the height of described projection is 100um-120um.
Further, between adjacent projection, center distance is 1mm-3mm.
Be illustrated the utility model by way of example above, but the utility model is not limited to above-mentioned specific embodiment, all any changes of doing based on the utility model or modification all belong to the claimed scope of the utility model.
Claims (5)
1. one kind high covers diffuser plate, it is characterized in that: on the exiting surface (7) of diffuser plate body (1), be formed with several transparent projections (2), between described projection (2) close-packed arrays the exiting surface of diffuser plate body (1) is all covered or discrete arrangement by the exiting surface (7) of diffuser plate body (1) part cover, the upper surface of all projections (2) and the exiting surface of diffuser plate body (1) do not covered by protruding (2) form a uneven and diffuse surface (3) making the scattering of incident light multi-angle in irregular shape jointly, the upper surface of described projection (2) refers to the outer surface of remaining projection (2) behind the bottom surface of removing protruding (2).
2. one according to claim 1 is high covers diffuser plate, it is characterized in that: the refractive index of described projection (2) is different from the refractive index of diffuser plate body (1).
3. one according to claim 1 and 2 is high covers diffuser plate, it is characterized in that: the height of described projection (2) is 100um-120um.
4. one according to claim 3 is high covers diffuser plate, it is characterized in that: between adjacent projection (2), center distance is 1mm-3mm.
5. the backlight arrangement utilizing the height described in claim 4 to cover the display that diffuser plate is made, it is characterized in that: comprise the strip-shaped light source (4), reflector plate (5) and the diffuser plate body (1) that are made up of LED, described reflector plate (5) is positioned at the both sides of strip-shaped light source (4), the incidence surface (6) of described diffuser plate body (1) is towards strip-shaped light source (4), and exiting surface (7) deviates from strip-shaped light source (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779991.3U CN204328883U (en) | 2014-12-11 | 2014-12-11 | A kind of high backlight arrangement covering diffuser plate and a kind of display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779991.3U CN204328883U (en) | 2014-12-11 | 2014-12-11 | A kind of high backlight arrangement covering diffuser plate and a kind of display |
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| Publication Number | Publication Date |
|---|---|
| CN204328883U true CN204328883U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779991.3U Active CN204328883U (en) | 2014-12-11 | 2014-12-11 | A kind of high backlight arrangement covering diffuser plate and a kind of display |
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| CN (1) | CN204328883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110546557A (en) * | 2017-04-26 | 2019-12-06 | 西铁城电子株式会社 | back light source |
| CN111157541A (en) * | 2020-01-14 | 2020-05-15 | 合肥维信诺科技有限公司 | Optical detection system and optical detection method |
-
2014
- 2014-12-11 CN CN201420779991.3U patent/CN204328883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110546557A (en) * | 2017-04-26 | 2019-12-06 | 西铁城电子株式会社 | back light source |
| CN111157541A (en) * | 2020-01-14 | 2020-05-15 | 合肥维信诺科技有限公司 | Optical detection system and optical detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-shielding diffusion plate and backlight source device of display Effective date of registration: 20160808 Granted publication date: 20150513 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Qiji Photoelectric Technology Co.,Ltd. Registration number: 2016990000686 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170814 Granted publication date: 20150513 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Qiji Photoelectric Technology Co.,Ltd. Registration number: 2016990000686 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-shielding diffusion plate and backlight source device of display Effective date of registration: 20170818 Granted publication date: 20150513 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Qiji Photoelectric Technology Co.,Ltd. Registration number: 2017370010047 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180823 Granted publication date: 20150513 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Qiji Photoelectric Technology Co.,Ltd. Registration number: 2017370010047 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200225 Address after: No.36, Yuyuan Third Road, Jihongtan street, Chengyang District, Qingdao, Shandong Province Patentee after: Qingdao Guoqi Photoelectric Technology Co., Ltd Address before: 266000 Shandong province Qingdao city Chengyang District Chengyang street after Tian Tian community Yuanhu East B-2 plant Patentee before: Qingdao Qiji Photoelectric Technology Co.,Ltd. |