CN210803924U - Reflector plate structure for solving bright edge phenomenon - Google Patents
Reflector plate structure for solving bright edge phenomenon Download PDFInfo
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- CN210803924U CN210803924U CN201921770367.6U CN201921770367U CN210803924U CN 210803924 U CN210803924 U CN 210803924U CN 201921770367 U CN201921770367 U CN 201921770367U CN 210803924 U CN210803924 U CN 210803924U
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Abstract
The utility model discloses a reflector plate structure for solving bright border phenomenon, including reflector plate and lamp strip, four inclined plane homogeneous phases are with the first extinction ink point that is provided with first quantity, the second extinction ink point of second quantity and the third extinction ink point of third quantity, and wherein first quantity is greater than second quantity, and the second quantity is greater than third quantity, and the cross sectional area of first extinction ink point is greater than the cross sectional area of second extinction ink point, and the cross sectional area of second extinction ink point is greater than the cross sectional area of third extinction ink point. In this way, the utility model discloses can solve the regional bright border phenomenon problem in the different positions in inclined plane of reflector plate betterly to promote liquid crystal display device's picture and look effect taste.
Description
Technical Field
The utility model relates to the field of optical technology, specifically be a reflector plate structure for solving bright border phenomenon.
Background
The liquid crystal display device adopting the direct type LED backlight module is developed towards the technical direction of low cavity cost. When the cavity is smaller and smaller, the cavity is limited by the light emitting angle, the number of the LED light sources needs to be increased by adopting the backlight of the refraction type lens, and compared with the reflection type lens, the reflection type lens has a larger light emitting angle and is more advantageous, but the large light emitting angle of the reflection type lens can cause a circle of over-bright area, namely bright edge at the edge of the visible area, and the bright edge phenomenon further influences the picture visual effect and the taste of the liquid crystal display device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a reflector plate structure for solving bright border phenomenon can solve above-mentioned bright border phenomenon.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: a reflector structure for solving a bright edge phenomenon, comprising: the reflecting sheet comprises a plane and four inclined planes, the plane is rectangular, the four inclined planes are formed by extending four edges of the plane upwards in an inclined mode respectively, and the light bar is arranged on the plane; the four inclined planes are all provided with a first quantity of first light absorption ink points, a second quantity of second light absorption ink points and a third quantity of third light absorption ink points, wherein the first quantity is larger than the second quantity, the second quantity is larger than the third quantity, the cross section area of the first light-absorbing ink points is larger than that of the second light-absorbing ink points, the cross section area of the second light-absorbing ink points is larger than that of the third light-absorbing ink points, the first light-absorbing ink points of the first quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, the second light-absorbing ink points of the second quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the third light-absorbing ink points of the third quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the third light absorption ink points, the second light absorption ink points and the first light absorption ink points are arranged at intervals from the top edge of the inclined plane from top to bottom in sequence.
Preferably, the four inclined planes are also provided with a fourth number of fourth light-absorbing ink dots, the third number is greater than the fourth number, the fourth light-absorbing ink dots of the fourth number are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the fourth light-absorbing ink dots are arranged above the third light-absorbing ink dots.
Preferably, the first light absorbing ink dot, the second light absorbing ink dot, the third light absorbing ink dot and the fourth light absorbing ink dot are black light absorbing ink dots.
Preferably, the lamp strip includes a plurality of LED light sources, and the plane is provided with a plurality of light source through-holes with LED light source quantity looks adaptation, and the LED light source protrusion sets up in the light source through-hole.
Preferably, the number of lamp strips is a plurality of, and a plurality of lamp strips set up along planar long limit direction parallel.
Preferably, the material of the reflective sheet is PET.
(III) advantageous effects
Compared with the prior art, the utility model provides a reflector plate structure for solving bright border phenomenon possesses following beneficial effect: the first light-absorbing ink point, the second light-absorbing ink point and the third light-absorbing ink point are arranged on the four inclined surfaces of the reflector plate, so that light rays emitted to corresponding positions by the light bar can be absorbed; furthermore, the number of the first light absorption ink points is larger than that of the second light absorption ink points and larger than that of the third light absorption ink points, the cross sectional area of the first light absorption ink points is larger than that of the second light absorption ink points and larger than that of the third light absorption ink points, the second light absorption ink points and the first light absorption ink points are sequentially arranged from top to bottom at intervals from the top edge of the inclined plane, namely the first light absorption ink points which are closer to the position of the light bar can correspondingly absorb more light rays than the second light absorption ink points, and the second light absorption ink points can correspondingly absorb more light rays than the third light absorption ink points, so that the problem of the bright edge phenomenon of different position areas of the inclined plane of the reflector plate is better solved correspondingly, and the picture visual effect and taste of the liquid crystal display device are improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a reflector structure for solving the bright edge phenomenon according to the present invention.
In the figure: the LED lighting device comprises a reflector plate 1, a plane 11, a 111 light source through hole, a 12 inclined plane, a 2 light bar, a 21 LED light source, a 31 first light-absorbing ink point, a 32 second light-absorbing ink point and a 33 third light-absorbing ink point.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of a reflector structure for solving the bright edge phenomenon of the present invention includes: reflector plate 1 and lamp strip 2, reflector plate 1 include a plane 11 and four inclined planes 12, and plane 11 is the rectangle, and four inclined planes 12 are extended upwards to form by the four sides slant of plane 11 respectively, and the contained angle of four inclined planes 12 and plane 11 is greater than 0 degree and is less than 90 degrees. Specifically, the material of the reflection sheet 1 is a resin material such as PET. Wherein the light bar 2 is disposed on the plane 11. In this embodiment, the light bar 2 includes a plurality of LED light sources 21, the plane 11 of the reflector plate 1 is provided with a plurality of light source through holes 111 adapted to the number of the LED light sources 21, and the LED light sources 21 are convexly disposed in the light source through holes 111. In addition, the number of the light bars 2 can be multiple, and the light bars 2 are arranged in parallel along the long side direction of the plane 11; it can be understood that the total number of the light source through holes 111 of the plane 11 of the reflector 1 is adapted to the number of the LED light sources 21 of the plurality of light bars 2.
The utility model considers that the light quantity emitted by the lamp strip 2 at the position close to the inclined plane 12 of the plane 11 is more than that emitted by the position far away from the inclined plane 12 of the plane 11, namely the brightness degree generated at the position close to the inclined plane 12 of the plane 11 is more than that generated at the position far away from the inclined plane 12 of the plane 11; therefore, to this problem, the four inclined planes 12 of the reflective sheet 1 of the present invention are provided with a first number of first light-absorbing ink dots 31, a second number of second light-absorbing ink dots 32, and a third number of third light-absorbing ink dots 33, wherein the first number is greater than the second number, the second number is greater than the third number, the cross-sectional area of the first light-absorbing ink dots 31 is greater than the cross-sectional area of the second light-absorbing ink dots 32, the cross-sectional area of the second light-absorbing ink dots 32 is greater than the cross-sectional area of the third light-absorbing ink dots 33, the first light-absorbing ink dots 31 of the first number are arranged along the top side direction parallel to the inclined plane 12, the second light-absorbing ink dots 32 of the second number are arranged along the top side direction parallel to the inclined plane 12, the third light-absorbing ink dots 33 of the third number are arranged along the top side direction parallel to the inclined plane 12, and the third light-absorbing ink dots 33, the second light-absorbing ink dots 32 and the first light-absorbing ink dots 31 are sequentially arranged from top to bottom at intervals from the top edge of the inclined plane 12. For example, the first number is 25, the second number is 20, and the third number is 15, that is, each of the four slopes 12 is provided with 25 first light-absorbing ink dots 31, 20 second light-absorbing ink dots 32, and 15 third light-absorbing ink dots 33, the 25 first light-absorbing ink dots 31 are arranged side by side at intervals along a direction parallel to the top edge of the slope 12, the 20 second light-absorbing ink dots 32 and the 15 third light-absorbing ink dots 33 are also the same, and the 15 third light-absorbing ink dots 33, the 20 second light-absorbing ink dots 32, and the 25 first light-absorbing ink dots 31 are arranged at intervals from the top edge of the slope 12 in sequence from top to bottom. The specific values of the first number, the second number and the third number are set according to the specific lighting problem generated by the inclined plane 12, and are not limited herein.
It can be understood that the first number of first light absorbing ink dots 31 can absorb the light emitted from the light bar 2 more than the second number of second light absorbing ink dots 32 can absorb the light emitted from the light bar 2, and the second number of second light absorbing ink dots 32 can absorb the light more than the third number of third light absorbing ink dots 33 can absorb the light.
In other embodiments, the four inclined planes 12 may also be provided with a fourth number of fourth light-absorbing ink dots, where the third number is greater than the fourth number, the fourth number of fourth light-absorbing ink dots are arranged side by side at intervals along a direction parallel to the top edge of the inclined plane 12, and the fourth light-absorbing ink dots are arranged above the third light-absorbing ink dots 33. The first light absorption ink dots 31, the second light absorption ink dots 32, the third light absorption ink dots 33 and the fourth light absorption ink dots can be black light absorption ink dots, and printing is performed in a silk-screen printing mode; the light absorbing ink dots may be silver-white light absorbing ink dots or the like.
The utility model discloses a reflector plate structure can be applied to in the backlight unit structure of following structure: the backlight module structure further comprises a diffusion plate, a prism sheet and a diffusion sheet, wherein the diffusion plate is arranged on an opening surrounded by the four inclined planes 12 of the reflection sheet 1, namely the diffusion plate is positioned above the light bar 2, the prism sheet and the diffusion sheet are sequentially stacked from bottom to top from the upper surface of the diffusion plate, namely the diffusion sheet is positioned on the uppermost layer. The diffusion plate plays a role in diffusing and atomizing light; the prism sheet plays a role in brightening light; the diffusion sheet plays a role in uniformly diffusing light. Of course, the reflector structure of the present invention can also be applied to the backlight module structure of other structures, and there is no limitation.
The utility model provides a reflector plate structure for solving bright border phenomenon possesses following beneficial effect: the four inclined planes 12 of the reflector plate 1 are respectively provided with the first light-absorbing ink dots 31, the second light-absorbing ink dots 32 and the third light-absorbing ink dots 33, so that light rays emitted to corresponding positions by the light bar 2 can be absorbed; further, the number of the first light absorbing ink dots 31 is greater than that of the second light absorbing ink dots 32 and greater than that of the third light absorbing ink dots 33, the cross-sectional area of the first light absorbing ink dots 31 is greater than that of the second light absorbing ink dots 32 and greater than that of the third light absorbing ink dots 33, the second light absorbing ink dots 32 and the first light absorbing ink dots 31 are sequentially arranged from top to bottom at intervals from the top side of the inclined plane 12, that is, the first light absorbing ink dots 31 closer to the positions of the light bars 2 can absorb more light rays than the second light absorbing ink dots 32, and the second light absorbing ink dots 32 can absorb more light rays than the third light absorbing ink dots 33, so that the problem of the bright edge phenomenon in different position areas of the inclined plane 12 of the reflector 1 can be solved better, and the picture visual effect and taste of the liquid crystal display device can be improved.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A reflector structure for solving a bright edge phenomenon, comprising: the reflecting sheet comprises a plane and four inclined planes, the plane is rectangular, the four inclined planes are formed by obliquely and upwardly extending four edges of the plane respectively, and the light bar is arranged on the plane;
the four inclined planes are respectively provided with a first quantity of first light absorption ink points, a second quantity of second light absorption ink points and a third quantity of third light absorption ink points, wherein the first quantity is larger than the second quantity, the second quantity is larger than the third quantity, the cross section area of the first light absorption ink points is larger than that of the second light absorption ink points, the cross section area of the second light absorption ink points is larger than that of the third light absorption ink points, the first light absorption ink points of the first quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, the second light absorption ink points of the second quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the third light absorption ink points of the third quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the third light absorption ink points, the second light absorption ink points and the first light absorption ink points are sequentially arranged from top to bottom at intervals from the top edge of the inclined plane.
2. The reflector structure of claim 1 wherein: and the four inclined planes are also provided with fourth light absorption ink points of a fourth quantity, the third quantity is greater than the fourth quantity, the fourth light absorption ink points of the fourth quantity are arranged side by side at intervals along the direction parallel to the top edge of the inclined plane, and the fourth light absorption ink points are arranged above the third light absorption ink points.
3. The reflector structure of claim 2 wherein: the first light absorption ink dot, the second light absorption ink dot, the third light absorption ink dot and the fourth light absorption ink dot are specifically black light absorption ink dots.
4. The reflector structure of claim 1 wherein: the lamp strip is including a plurality of LED light sources, the plane be provided with a plurality of light source through-holes of LED light source quantity looks adaptation, the LED light source protrusion set up in the light source through-hole.
5. The reflector structure of claim 4 wherein: the quantity of lamp strip is a plurality of, and is a plurality of the lamp strip is followed planar long limit direction parallel arrangement.
6. The reflector structure of claim 1 wherein: the reflector plate is made of PET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921770367.6U CN210803924U (en) | 2019-10-21 | 2019-10-21 | Reflector plate structure for solving bright edge phenomenon |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921770367.6U CN210803924U (en) | 2019-10-21 | 2019-10-21 | Reflector plate structure for solving bright edge phenomenon |
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| CN210803924U true CN210803924U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728994A (en) * | 2022-12-20 | 2023-03-03 | 京东方科技集团股份有限公司 | Backlight module and display device |
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2019
- 2019-10-21 CN CN201921770367.6U patent/CN210803924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115728994A (en) * | 2022-12-20 | 2023-03-03 | 京东方科技集团股份有限公司 | Backlight module and display device |
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