CN109959449A - Sense the device of display front face brightness - Google Patents
Sense the device of display front face brightness Download PDFInfo
- Publication number
- CN109959449A CN109959449A CN201711430923.0A CN201711430923A CN109959449A CN 109959449 A CN109959449 A CN 109959449A CN 201711430923 A CN201711430923 A CN 201711430923A CN 109959449 A CN109959449 A CN 109959449A
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- section
- optically focused
- display screen
- daylighting
- sensitive chip
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- 230000005540 biological transmission Effects 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0422—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using light concentrators, collectors or condensers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to a kind of devices for sensing display front face brightness, including light-guiding pillar and sensitive chip, the daylighting section that there is the light-guiding pillar face display screen front vertical to upwardly extend, perpendicular to optically focused section daylighting section output end horizontal-extending span line and extended vertically downward from span line output end, daylighting section is set to the gear of face display screen front stretching on the front case panel of display along inside, span line is set in the gap between front case panel and display screen front, optically focused section is set in the gap between front housing side plate and display screen side, sensitive chip is set to immediately below the output end of the optically focused section；The light that display screen issues enters from the input terminal of daylighting section and then projects again from the output end of optically focused section on sensitive chip after span line and the reflection of 90 ° of optically focused section junction through daylighting section and the reflection of 90 ° of span line junction.The device reduces the influence that various factors receives light source to sensitive chip, greatly improves it and acquires data accuracy.
Description
Technical field
The present invention relates to display collimation techniques, more specifically to a kind of device for sensing display front face brightness.
Background technique
Display on the market is that sensitive chip is directly placed on display screen front for the daylighting way of calibration at present
On, as shown in Figure 1, the front housing 20 of display have front housing side plate 21 and front case panel 22, and the inner edge of front case panel 22 just
One gear is stretched out along 23 to 10 front of display screen, sensitive chip 30 is then directly placed at gear along the display screen front of 23 insides.This
Influence caused by the structure of sample has following two points: (1) light that surrounding is not belonging to display screen sending can also be received by sensitive chip；
(2) the received light source of sensitive chip does not pass through shading and optically focused process, during the light source to sensitive chip that display screen issues
It is lossy.The light source that sensitive chip receives under this mode is very high by the influence degree of various factors, and sensitive chip can not be quasi-
Really obtain true data.Data inaccuracy, the also just basic failure of self parameter correction function of display.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of sensing display
The light source of display screen can be more accurately transferred to sensitive chip by the device of front face brightness, to realize the accurate school of display
It is quasi-.
The technical solution adopted by the present invention to solve the technical problems is: proposing a kind of dress for sensing display front face brightness
It sets, including light-guiding pillar and sensitive chip, wherein the daylighting that there is the light-guiding pillar face display screen front vertical to upwardly extend
Section, perpendicular to optically focused section daylighting section output end horizontal-extending span line and extended vertically downward from span line output end, institute
It states daylighting section and is set to gear that face display screen front on the front case panel of display is stretched out along inside, the span line is set to
In gap between front case panel and display screen front, the optically focused section is set to the sky between front housing side plate and display screen side
In gap, the sensitive chip is set to immediately below the output end of the optically focused section；Input of the light that display screen issues from daylighting section
End enter and through daylighting section and the reflection of 90 ° of span line junction then again after span line and the reflection of 90 ° of optically focused section junction from
The output end of optically focused section is projected on sensitive chip.
According to one embodiment of present invention, the first area of section of the input terminal of the daylighting section is greater than the optically focused
Second area of section of the output end of section.
According to one embodiment of present invention, the daylighting section and span line the first section having the same are described poly-
Light section includes the importation with the first section, the output par, c with the second section and is connected to transition part between the two
Point.
According to one embodiment of present invention, first section is rectangle, and second section is square.
According to one embodiment of present invention, the outer surface of the light-guiding pillar is coated with black paint after bright chromium is electroplated.
According to one embodiment of present invention, the daylighting section and span line junction and the span line and optically focused
Section junction is respectively formed 45 ° of reflecting slants.
According to one embodiment of present invention, described device further includes that the gear edge surrounded on front case panel is affixed on display screen
Positive shading pad, the shading pad have the first shading wall for being just stuck in and keeping off along two sides to block the daylighting section of light-guiding pillar
With the second shading wall.
According to one embodiment of present invention, described device further includes being set in the sensitive chip and close to the sense
The shading sleeve of the periphery of at least partly described optically focused section of optical chip.
According to one embodiment of present invention, described device further includes the bracket for being fixed on display screen side, the sense
Optical chip is set on a pcb board and is fixed on bracket by the pcb board, and the shading sleeve is equipped with installation position and bracket is solid
Dingan County's dress.
According to one embodiment of present invention, described device further includes L shape limit film, and the L shape limit film level is prolonged
The first segment stretched presses between the span line of light-guiding pillar and front case panel, the second segment that the L shape limit film extends vertically with
Bracket is fixedly mounted.
The light source of display screen is transferred to by the device of sensing display front face brightness according to the present invention by light-guiding pillar to be set
It is placed on the sensitive chip in the gap between front housing side plate and display screen side, sensitive chip is connect to reduce various factors
The influence for receiving light source, enables sensitive chip more accurately to sense display screen front face brightness, greatly improves it and acquires data
Accuracy.The device of sensing display front face brightness according to an embodiment of the present invention by shading pad, shading sleeve, limit film and is led
Light beam cooperation, can realize display light source accurate delivery to sensitive chip substantially, achieve the purpose that make display accurate alignment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram for sensing the mode of display front face brightness in the prior art；
Fig. 2 is the structural schematic diagram of the device of the sensing display front face brightness of one embodiment of the invention；
Fig. 3 is the dimensional decomposition structure diagram of the device of the sensing display front face brightness of one embodiment of the invention；
Fig. 4 is the schematic perspective view of the light-guiding pillar in one embodiment of the invention；
Fig. 5 is the light path schematic diagram of the device of the sensing display front face brightness of one embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 2 shows the structural schematic diagrams of the device of sensing display front face brightness according to an embodiment of the invention.
As shown in Fig. 2, the device is mainly made of light-guiding pillar 340 and sensitive chip 320.Light-guiding pillar 340 has daylighting section 341, transmission
Section 342 and optically focused section 343.The front 12 of 341 face display screen 10 of daylighting section extends vertically upwards, and span line 342 is perpendicular to adopting
The output end horizontal extension of light section 341, optically focused section 343 extend vertically downward from the output end of span line 342.Also, daylighting section
341 are set to the gear of 12 stretching of face display screen front on the front case panel 22 of display front-housing 20 along 23 inside, span line
342 are set in the gap between front case panel 22 and display screen front 12, and optically focused section 343 is then set to front housing side plate 21 and shows
In gap between display screen side 11.Sensitive chip 320 is set to immediately below the output end of optically focused section 343.The light of display screen 10
Source is transferred on sensitive chip 320 by light-guiding pillar 340, since sensitive chip 320 is located at front housing side plate 21 and display screen side
In gap between 11, to reduce the influence that various factors receives light source to sensitive chip 320, enable sensitive chip 320
It is enough more accurately to sense display screen front face brightness, it greatly improves its and acquires data accuracy.It is shown in Figure 5, display screen 10
The light (as shown in arrow 10) of sending enters daylighting section 341 (as shown in arrow 10) from the input terminal of daylighting section 341, then through adopting
Enter span line 342 (as shown in arrow 10) after light section 341 and the reflection of 90 ° of 342 junction of span line, then again through span line
342 and the reflection of 90 ° of 343 junction of optically focused section after enter optically focused section 343 (as shown in arrow 10), finally from the defeated of optically focused section 343
Outlet is projected on sensitive chip 320.
Again as shown in Fig. 2, the device of aforementioned sensing display front face brightness is additionally provided with shading sleeve 330, shading pad 350, limit
Bit slice 360 and bracket 310.Bracket 310 is fixed on display screen side 11, such as possible constructions glue sticking is fixed on display screen side
Face 11, sensitive chip 320, shading sleeve 330 and limit film 360 are fixedly mounted with bracket 310.Specifically combine Fig. 2 and Fig. 3 institute
Show, shading pad 350 is affixed on the front 12 of display screen 10, has the gear being just stuck on front case panel 22 along the first of 23 two sides
Shading wall 351 and the second shading wall 352 can prevent to surround gear along 23 to block the daylighting section 341 of light-guiding pillar 340
The light of display screen 10 enter light-guiding pillar 340 341 input end of daylighting section spread around, and can prevent extraneous light into
Enter light-guiding pillar 340.Bracket 310 is L-shaped, has the vertical plate 311 fixed with display screen side 11 and prolongs from 311 level of vertical plate
The level board 312 of stretching.Sensitive chip 320 is set on pcb board 360, and pcb board 360 is fixed on branch by screw locking in turn
On the level board 312 of frame 310 on the stud 313 of projection straight up.Shading sleeve 330 is hollow, is set in sensitive chip 320 and tight
The periphery of a part of optically focused section 343 of adjacent sensitive chip 320, the light that can prevent 343 output end of optically focused section from projecting is around
Diffusion, and extraneous light is prevented to be received by sensitive chip 320.Limit film 360 is L-shaped, has horizontal-extending 361 He of first segment
The second segment 362 extended vertically.The first segment 361 of limit film 360 presses on the span line 342 and front case panel of light-guiding pillar 340
Between 22, it can prevent light-guiding pillar 340 from moving up and down.The second segment 362 and 350 both sides external of shading sleeve of limit film 360 are arranged
Installation position 331 and 332 together by screw locking in the stud 314 for corresponding to water skin on the vertical plate 311 of bracket 310 and protruding out
On, to realize fixed with bracket 310.
The structure of light-guiding pillar 340 accord to a specific embodiment of that present invention is as shown in figure 4, daylighting section 341 and optically focused section
343 both ends that are parallel to each other and being respectively perpendicular to span line 342.The junction shape of daylighting section and span line reflecting slant at 45 °
344, span line 342 will be entered after 90 ° of light reflections for inputting daylighting section 341；The junction of span line 342 and optically focused section 343
Also shape reflecting slant 345 at 45 ° will enter optically focused section 343 after 90 ° of light reflections for inputting span line 342.Also, daylighting section
341 and the rectangular cross-sectional having the same of span line 342, optically focused section 343 include the importation with rectangular cross-sectional, have
The output par, c of square section and it is connected to transition portion between the two, and the rectangular cross-sectional area is greater than the square
Area of section can so realize the focusing light effect of light-guiding pillar 340.It is preferred that the area of the rectangular cross-sectional is 12mm2, this is just
The area of square-section is 9mm2, sectional area reduces 25%, for optically focused.In addition, the outer surface of light-guiding pillar 340 can also be electroplated
Bright chromium helps its optically focused, then sprays black paint again, can prevent light light leakage in transmission process, to realize the light of high-quality
Transmission channel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of device for sensing display front face brightness, which is characterized in that including light-guiding pillar and sensitive chip, wherein described
Light-guiding pillar have face display screen front vertical upwardly extend daylighting section, perpendicular to the horizontal-extending transmission of daylighting section output end
Section and the optically focused section extended vertically downward from span line output end, the daylighting section are set to face on the front case panel of display
The gear that display screen front is stretched out is along inside, and the span line is set in the gap between front case panel and display screen front, institute
It states in the gap that optically focused section is set between front housing side plate and display screen side, the sensitive chip is set to the optically focused section
Immediately below output end；The light that display screen issues is from the entrance of the input terminal of daylighting section and anti-through 90 ° of daylighting section and span line junction
It penetrates and is then projected again from the output end of optically focused section on sensitive chip after span line and the reflection of 90 ° of optically focused section junction.
2. the device of sensing display front face brightness according to claim 1, which is characterized in that the input of the daylighting section
First area of section at end is greater than the second area of section of the output end of the optically focused section.
3. the device of sensing display front face brightness according to claim 2, which is characterized in that the daylighting section and transmission
Section the first section having the same, the optically focused section includes the importation with the first section, the output with the second section
Partially and it is connected to transition portion between the two.
4. the device of sensing display front face brightness according to claim 3, which is characterized in that first section is length
Rectangular, second section is square.
5. the device of sensing display front face brightness according to claim 1, which is characterized in that the appearance of the light-guiding pillar
Face is coated with black paint after bright chromium is electroplated.
6. the device of sensing display front face brightness according to claim 1, which is characterized in that the daylighting section and transmission
Section junction and the span line and optically focused section junction are respectively formed 45 ° of reflecting slants.
7. the device of sensing display front face brightness according to claim 1, which is characterized in that described device further includes packet
The gear on front case panel is enclosed along the positive shading pad of display screen is affixed on, and the shading pad, which has, is just stuck in gear along two sides will lead
The the first shading wall and the second shading wall that the daylighting section of light beam is blocked.
8. the device of sensing display front face brightness according to claim 7, which is characterized in that described device further includes set
Loaded on the sensitive chip and close to the sensitive chip at least partly described optically focused section periphery shading sleeve.
9. the device of sensing display front face brightness according to claim 8, which is characterized in that described device further includes solid
Due to the bracket of display screen side, the sensitive chip is set on a pcb board and is fixed on bracket by the pcb board,
The shading sleeve is equipped with installation position and bracket is fixedly mounted.
10. the device of sensing display front face brightness according to claim 9, which is characterized in that described device further includes L
Shape limit film, the horizontal-extending first segment of L shape limit film presses between the span line of light-guiding pillar and front case panel, described
The second segment and bracket that L shape limit film extends vertically are fixedly mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430923.0A CN109959449B (en) | 2017-12-26 | 2017-12-26 | Device for sensing front brightness of display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711430923.0A CN109959449B (en) | 2017-12-26 | 2017-12-26 | Device for sensing front brightness of display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109959449A true CN109959449A (en) | 2019-07-02 |
| CN109959449B CN109959449B (en) | 2021-05-14 |
Family
ID=67021987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711430923.0A Active CN109959449B (en) | 2017-12-26 | 2017-12-26 | Device for sensing front brightness of display |
Country Status (1)
| Country | Link |
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| CN (1) | CN109959449B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395230A (en) * | 2001-07-03 | 2003-02-05 | 巴科股份有限公司 | Method and system for image real time correction |
| CN101042499A (en) * | 2006-03-22 | 2007-09-26 | Nec液晶技术株式会社 | Liquid crystal display apparatus and backlight unit used in liquid crystal display apparatus |
| US20110242074A1 (en) * | 2008-09-01 | 2011-10-06 | Tom Bert | Method and system for compensating ageing effects in light emitting diode display devices |
| WO2012089849A1 (en) * | 2010-12-31 | 2012-07-05 | Barco N.V. | Method and system for compensating effects in light emitting display devices |
| US20170110047A1 (en) * | 2015-10-20 | 2017-04-20 | Qisda Corporation | Displaying system having a function of sensing displaying properties |
-
2017
- 2017-12-26 CN CN201711430923.0A patent/CN109959449B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395230A (en) * | 2001-07-03 | 2003-02-05 | 巴科股份有限公司 | Method and system for image real time correction |
| CN101042499A (en) * | 2006-03-22 | 2007-09-26 | Nec液晶技术株式会社 | Liquid crystal display apparatus and backlight unit used in liquid crystal display apparatus |
| US20110242074A1 (en) * | 2008-09-01 | 2011-10-06 | Tom Bert | Method and system for compensating ageing effects in light emitting diode display devices |
| WO2012089849A1 (en) * | 2010-12-31 | 2012-07-05 | Barco N.V. | Method and system for compensating effects in light emitting display devices |
| US20170110047A1 (en) * | 2015-10-20 | 2017-04-20 | Qisda Corporation | Displaying system having a function of sensing displaying properties |
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| Publication number | Publication date |
|---|---|
| CN109959449B (en) | 2021-05-14 |
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Address after: 518055 floor 15, building 6, Hengda fashion Huigu building (east area), Fulong Road, Henglang community, Dalang street, Longhua District, Shenzhen, Guangdong Patentee after: SHENZHEN BEACON DISPLAY TECHNOLOGY Co.,Ltd. Address before: 518055 12th floor, building B1, Nanshan wisdom Park, 1001 Xueyuan Avenue, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BEACON DISPLAY TECHNOLOGY Co.,Ltd. |
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