CN209343075U - Test the chopping mechanism of lamp box - Google Patents
Test the chopping mechanism of lamp box Download PDFInfo
- Publication number
- CN209343075U CN209343075U CN201822124653.7U CN201822124653U CN209343075U CN 209343075 U CN209343075 U CN 209343075U CN 201822124653 U CN201822124653 U CN 201822124653U CN 209343075 U CN209343075 U CN 209343075U
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- Prior art keywords
- black
- lamp box
- out cloth
- gear
- roller bearing
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
- F21V1/14—Covers for frames; Frameless shades
- F21V1/16—Covers for frames; Frameless shades characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Treatment Of Fiber Materials (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses the chopping mechanisms of test lamp box, mainly include black-out cloth and tourelle, the transparent area of shading region and more than one is provided on black-out cloth, tourelle realizes the switching of transparent area for winding black-out cloth and black-out cloth being driven to roll.The chopping mechanism of test lamp box disclosed by the utility model, when using the product of this test lamp box detection different model, as the black-out cloth built in tourelle drives lamp box, it realizes the switching between different transparent areas, thus achievees the purpose that detect various types of products on same test lamp box, the utility model structure is simple, it is easily operated, a possibility that saving time cost, and can be effectively reduced light leakage in detection process, improves the accuracy of testing result.
Description
Technical field
The utility model relates to testing equipment field, in particular to a kind of chopping mechanism for testing lamp box.
Background technique
With the development of economy with the raising of living standards of the people, all kinds of liquid crystal applications products are in national economy production and people
Role is also more and more important in social life, liquid crystal applications product becomes more diversified and universalness, in liquid crystal display panel
Production process in, in order to improve the versatility and cost performance of product, need to detect the optical characteristics of liquid crystal display panel,
When detection, the backlight module in liquid crystal display is replaced usually using luminous lamp box.Increasingly due to current liquid crystal display panel size
It is more, in actual production, it is often necessary to which a kind of test equipment tests plurality of liquid crystals panel model.
In the liquid crystal display panel of large-sized test equipment test small size, have in test lamp box to optical detecting instrument dry
The part luminous zone disturbed is blocked, and generally uses the screening being made of black-out cloth, sliding rail and screw rod in actual production at present
Ray machine structure is blocked, and such mode blocks lamp box from three directions, but light leakage, shadow easily occur for such shading mode
Test result is rung, and structure is complicated for chopping mechanism, operated cumbersome.
Utility model content
The purpose of this utility model is to provide for a kind of chopping mechanism for testing lamp box, can solve the above-mentioned prior art and asks
One or more of topic.
One aspect according to the present utility model provides the chopping mechanism of test lamp box, comprising: black-out cloth and rolling dress
It sets, the transparent area of shading region and more than one is provided on black-out cloth, tourelle is for winding black-out cloth and driving black-out cloth
It rolls, to realize the switching of transparent area.
The shading region of the utility model refer to the partial region on black-out cloth be light can not by region, can be effective
Prevent light leakage, transparent area refer to light can by and the region tested, a kind of transparent area correspond to a kind of needs test and produce
The model size of product.
The beneficial effect is that: the transparent area due to being provided with shading region and more than one on black-out cloth passes through tourelle
It drives black-out cloth to roll, the switching of transparent area may be implemented.First, a variety of different models productions can be tested by meeting same test lamp box
The case where actual production demand of product, lightproof area is complete, avoids multi-direction common shading easy light leakage generation, improves test result
Precision；Secondly, structure is simple, and it is easy to operate, save time cost.
In some embodiments, black-out cloth is made of light-proof material, and transparent area hollow out is arranged on black-out cloth.By
Transparent area is reserved on black-out cloth according to product size difference with the mode of hollow out by this, and lightproof area and transmission region are demarcated
Clearly, lightproof area is complete, reduces the possibility of light leakage, and transparent area is unobstructed to light source, and translucent effect more preferably, realizes a survey
While examination lamp box can test a variety of different model products, measuring accuracy is improved.
In some embodiments, black-out cloth is made of high light transmission material, and shading region is formed by light-proof material air brushing.By
This, the case where avoiding three common shadings in direction easy light leakage generation improves measuring accuracy.
In some embodiments, tourelle includes the first roller bearing and the second roller bearing, tests in lamp box and is provided with light source
Unit, the first roller bearing are fixed on the side of light source unit, and the second roller bearing is fixed on the other side of light source unit, the first roller bearing and
Two roller bearings are arranged in parallel.The roller bearing of tourelle changes transparent area for winding and black-out cloth being driven to roll therewith as a result,
Become, realizes the purpose for measuring Multiple Type product on same test lamp box, and chopping mechanism structure is simple, it is easy to operate, no
Easy light leakage.
In some embodiments, black-out cloth both ends are separately connected the first roller bearing and the second roller bearing, and black-out cloth is wound
On the first roller bearing and the second roller bearing.The first roller bearing and the second roller bearing move in the same direction at the same speed as a result, and black-out cloth can roll therewith,
To switch transparent area, the purpose that Multiple Type product is measured on same test lamp box is realized, and chopping mechanism structure is simple,
It is easy to operate, it is not easy light leakage.
In some embodiments, black-out cloth is end to end and side in a ring, be looped around the first roller bearing and the second roller bearing
On, light source unit is placed in annular middle position.The first roller bearing and the second roller bearing Synchronous Transmission, black-out cloth are driven with roller bearing as a result,
Shuttling movement makes transparent area change therewith, realizes the purpose of same test lamp box measurement Multiple Type product, structure letter
It is single, high reliablity.
In some embodiments, tourelle includes the first rack gear, the second rack gear, first gear, second gear, third
Gear and the 4th gear, the first rack gear and the second rack gear are separately positioned below black-out cloth and are fixedly connected with black-out cloth, first
Rack gear and the second rack gear are arranged in parallel, and have light source unit in the test lamp box, and first gear and third gear are mounted on light source list
Member side, and the distance between first gear and third gear be equal to the distance between the first rack gear and the second rack gear, second
Gear and the 4th gear are mounted on the other side of light source unit, and the distance between second gear and the 4th gear are equal to the first tooth
The distance between item and the second rack gear.Gear band carry-over bar operates as a result, and the black-out cloth on rack gear moves therewith, realizes light transmission
The purpose of same test lamp box measurement Multiple Type product is realized in the switching in area, and structure is simple, facilitates operation.
In some embodiments, it is additionally provided with lifting device, lifting device includes driving element, elevating lever and guiding member
Part, elevating lever is arranged above driving element, and can move in a straight line in the direction along wire element.As a result, in reality
It is mobile for convenience of black-out cloth in production, gap is provided between black-out cloth and lamp box surface optical glass, lifting device can make
Black-out cloth directly with lamp box surface optical glass contact, can smooth black-out cloth, while black-out cloth and lamp box surface optical glass
Between there is no gap, be not likely to produce light leakage, improve measuring accuracy.
In some embodiments, light source unit is arranged on elevating lever, under the action of driving element, along director element
Direction move in a straight line.When black-out cloth is rolled to suitable position as a result, lifting device is lifted light source unit, makes black-out cloth
It is directly contacted with light source unit upper surface and lamp box surface optical glass, while smooth black-out cloth, guarantees black-out cloth and lamp
There is no gap between case surface optical glass, is more clear transparent area, is not likely to produce light leakage, improve measuring accuracy.
In some embodiments, jacking element is cylinder.As a result, when black-out cloth is completed to move, shading region is adjusted to close
When right position is set, since cylinder drives elevating lever to rise, black-out cloth can be made directly to contact with lamp box surface, eliminated between the two
Gap reduces the possibility of light leakage, improves measuring accuracy.
Detailed description of the invention
Fig. 1 is the top view of the chopping mechanism of the test lamp box of the first embodiment of the utility model.
Fig. 2 be in Fig. 1 (top view) A-A to the cross-sectional view of the first embodiment.
Fig. 3 is the structural schematic diagram of the tourelle of the chopping mechanism of test lamp box shown in FIG. 1.
Fig. 4 be Fig. 1 (top view) in cross-sectional view from A-A to second of embodiment.
Fig. 5 is the right view of the chopping mechanism of the test lamp box of the third embodiment of the utility model.
Fig. 6 is the left view of the chopping mechanism of test lamp box shown in fig. 5.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
The shading region of the utility model refer to the partial region on black-out cloth be light can not by region, can be effective
Prevent light leakage, transparent area refer to light can by and the region tested, a kind of transparent area correspond to a kind of needs test and produce
The model size of product.
Embodiment one:
The chopping mechanism of lamp box is tested, as shown in Figures 1 to 3, including black-out cloth 1, tourelle 2 and lifting device 4.
The transparent area 12 of shading region 11 and more than one is provided on black-out cloth 1, black-out cloth 1 is using tension, opaque
Material is made, and 12 hollow out of transparent area is arranged on black-out cloth 1 when production, and the lightproof part of surrounding is shading region 11.
Tourelle 2 includes the first roller bearing 21 and the second roller bearing 22, and the first roller bearing 21 and the second roller bearing 22 are separately positioned on
The two sides inside lamp box are tested, and are fixed on test Lamp case frame 5 by roller bearing connector 29, the first roller bearing 21 and the second roller bearing
22 are arranged in parallel.
1 both ends of black-out cloth are separately fixed on the first roller bearing 21 and the second roller bearing 22, and black-out cloth is wound on the first rolling
On axis 21 and the second roller bearing 22.
The lower section of black-out cloth 1, including driving element 41, elevating lever 42 and director element 43 is arranged in lifting device 4, at this
In embodiment, driving element 41 has the first driving element 411 and the second driving element 412, and elevating lever 42 has the first elevating lever
421, the second elevating lever 422, third elevating lever 423 and the 4th elevating lever 424.Wherein, the first driving element 411 and the second driving
Element 412 is oppositely arranged on the bottom surface inside test lamp box, and the first elevating lever 421 is identical with 422 length of the second elevating lever, point
She Zhi not be above the first driving element 411 and the second driving element 412, third elevating lever 423 and the 4th elevating lever 424 are vertical
It is arranged in the first elevating lever 421 and the second elevating lever 422, and is fixed on one with the first elevating lever 421 and the second elevating lever 422
It rising, one group of director element 43, including guide rail 431 and sliding block 432 is respectively arranged in third elevating lever 423 and 424 both ends of the 4th elevating lever,
Third elevating lever 423 and 424 both ends of the 4th elevating lever pass through sliding block 432 respectively and are connected with guide rail 431, and therefore, elevating lever 42 can
To be moved up and down under the action of driving element 41 along the direction of director element 43.
Light source unit 3 is connected on elevating lever 42 by light source connection sheet 31.
When carrying out product testing, light source unit 3 provides light source for detection device, in the product for needing to detect different model
When, tourelle 2 can drive black-out cloth 1 to roll according to instruction, and so that the transparent area being arranged on black-out cloth 1 12 is switched, when
When transparent area 12 is consistent with trial product to be measured, tourelle 2 stops, and shading region 11 is by the extra bright of light source unit 3 at this time
Area's covering.The chopping mechanism can achieve the purpose that the same test lamp box test same test lamp box of different model product can be surveyed
Try the purpose of different model product；The case where avoiding multi-direction common shading, reduce in test process occur light leakage can
Energy property, improves measuring accuracy.
At this point, there are gaps between black-out cloth 1 and lamp box surface optical glass, start lifting device, 41 band of driving element
Dynamic light source unit 3 moves upwards, and black-out cloth 1 and lamp box surface optical glass contact are made under the action of 3 upper surface of light source unit.
Black-out cloth 1 can either be made more smooth, meanwhile, there is no gap between black-out cloth and lamp box surface optical glass, is not likely to produce leakage
Light improves measuring accuracy.
Further, optics laminated film that black-out cloth 1 can also select tension, that light transmission is excellent, in black-out cloth 1
On, using the lighttight material air brushing such as black ink shading region 11, retain multiple transparent areas 12 in addition to shading region 11.
Further, lifting device 4 can be set in 3 surrounding of light source unit, and light source unit 3 is fixed in test lamp box
Portion, elevating lever 42 are directly contacted with black-out cloth 1 under the action of driving element 41, can either play the role of smooth black-out cloth,
The gap between black-out cloth 1 and lamp box surface optical glass is eliminated simultaneously, prevents light leakage from influencing measuring accuracy.
Embodiment two:
A kind of chopping mechanism for testing lamp box, as shown in figure 4, chopping mechanism includes black-out cloth 1 and tourelle, meanwhile,
It is provided with light source unit 3 in test lamp box, the transparent area 12 of shading region 11 and more than one, black-out cloth 1 are provided on black-out cloth 1
Can be used tension, light-proof material be made, 12 hollow out of transparent area is arranged on black-out cloth 1 when production, surrounding it is opaque
Part is shading region 11, each transparent area 12 respectively corresponds a kind of product size of model.
Tourelle 2 includes the first roller bearing 21 and the second roller bearing 22, and the first roller bearing 21 and the second roller bearing 22 are separately positioned on
The two sides inside lamp box are tested, and are fixed on test Lamp case frame 5 by roller bearing connector 29, the first roller bearing 21 and the second roller bearing
22 are arranged in parallel, and black-out cloth 1 is end to end, side in a ring, on the first roller bearing 21 and the second roller bearing 22, at this point, light
Source unit 3 is placed in the position among annular.
In test product, two roller bearing Synchronous Transmissions, black-out cloth 1 is driven shuttling movement with roller bearing, makes transparent area 12 therewith
It changes, realizes the purpose of same test lamp box measurement Multiple Type product, structure is simple, high reliablity.
Embodiment three:
A kind of chopping mechanism for testing lamp box, as shown in FIG. 5 and 6, chopping mechanism includes black-out cloth 1 and tourelle 2, together
When, it tests in lamp box and is provided with light source unit 3, the transparent area 12 of shading region 11 and more than one, shading are provided on black-out cloth 1
Cloth 1 can be used tension, light-proof material be made, 12 hollow out of transparent area is arranged on black-out cloth 1 when production, surrounding it is impermeable
Light part is shading region 11, each transparent area 12 respectively corresponds a kind of product size of model.
Tourelle 2 includes the first rack gear 23, the second rack gear 24, first gear 25, second gear 26,27 and of third gear
4th gear 28, the first rack gear 23 and the second rack gear 24 are separately positioned on 1 back side of black-out cloth and fix with two sides of black-out cloth 1
Connection, the first rack gear 23 and the second rack gear 24 are arranged in parallel, and first gear 25 and third gear 27 are engaged in the first rack gear 23, the
Two gears 26 and the 4th gear 28 are engaged in the second rack gear 24, and first gear 25 and third gear 27 are mounted on light source unit 3
Side, and the distance between first gear 25 and third gear 27 are equal to the distance between the first rack gear 23 and the second rack gear 24,
Second gear 26 and the 4th gear 28 are mounted on the other side of light source unit 3, and between second gear 26 and the 4th gear 28
Distance is equal to the distance between the first rack gear 23 and the second rack gear 24.
In test product, first gear 25 and second gear 26 are moved, the first rack gear 23 engaged and the second tooth
Item 24 moves therewith, and the transparent area 12 on black-out cloth 1 changes correspondingly, to realize that a test lamp box can test Multiple Type production
The purpose of product, this mechanism structure is simple, easy to operate.
Above-described is only some embodiments of the utility model, it should be appreciated that the common skill of this field
For art personnel, without departing from the concept of the present invention, it can also be improved according to the above description or be handed over
It changes, and all these improvement and exchange all should belong to the protection scope of the appended claims for the utility model.
Claims (10)
1. testing the chopping mechanism of lamp box, it is characterised in that: including black-out cloth (1) and tourelle (2), the black-out cloth (1)
On be provided with shading region (11) and more than one transparent area (12), the tourelle (2) is for winding the black-out cloth (1)
And the black-out cloth (1) is driven to roll, realize the switching of the transparent area (12).
2. testing the chopping mechanism of lamp box according to claim 1, it is characterised in that: the black-out cloth (1) is impermeable finish
Material, transparent area (12) hollow out are arranged on the black-out cloth (1).
3. testing the chopping mechanism of lamp box according to claim 1, it is characterised in that: the black-out cloth (1) is high light transmission material
Material, the shading region (11) are formed by light-proof material air brushing.
4. the chopping mechanism of test lamp box according to claim 1, it is characterised in that: the tourelle (2) includes the
One roller bearing (21) and the second roller bearing (22) are tested in lamp box and are provided with light source unit (3), and first roller bearing (21) is fixed on institute
The side of light source unit (3) is stated, second roller bearing (22) is fixed on the other side of the light source unit (3), and described
One roller bearing (21) and second roller bearing (22) are arranged in parallel.
5. the chopping mechanism of test lamp box according to claim 4, it is characterised in that: black-out cloth (1) the both ends difference
Connect first roller bearing (21) and second roller bearing (22), the black-out cloth (1) wound on first roller bearing (21) and
On second roller bearing (22).
6. the chopping mechanism of test lamp box according to claim 4, it is characterised in that: the black-out cloth (1) is end to end
And side is in a ring, is looped around on first roller bearing (21) and second roller bearing (22), the light source unit (3) is placed in ring
Shape middle position.
7. the chopping mechanism of test lamp box according to claim 1, it is characterised in that: the tourelle (2) includes the
One rack gear (23), the second rack gear (24), first gear (25), second gear (26), third gear (27) and the 4th gear (28),
First rack gear (23) and second rack gear (24) be separately positioned below the black-out cloth (1) and with the black-out cloth
(1) it is fixedly connected, first rack gear (23) and second rack gear (24) are arranged in parallel, and testing in lamp box has equipped with light source list
First (3), the first gear (25) and the third gear (27) are mounted on the side of the light source unit (3), and described the
The distance between one gear (25) and the third gear (27) are equal to first rack gear (23) and second rack gear (24)
The distance between, the second gear (26) and the 4th gear (28) are mounted on the other side of the light source unit (3), and
The distance between the second gear (26) and the 4th gear (28) are equal to first rack gear (23) and second tooth
The distance between item (24).
8. according to the chopping mechanism of the test lamp box any in claim 4 to 7, it is characterised in that: be additionally provided with lifting
Device (4), the lifting device (4) include driving element (41), elevating lever (42) and director element (43), the elevating lever
(42) setting is above the driving element (41), and can move in a straight line along the direction of director element (43).
9. the chopping mechanism of test lamp box according to claim 8, it is characterised in that: light source unit (3) setting exists
On the elevating lever (42), under the action of the driving element (41), straight line fortune is done in the direction along the director element (43)
It is dynamic.
10. the chopping mechanism of test lamp box according to claim 8, it is characterised in that: the driving element (41) is gas
Cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018108278210 | 2018-07-25 | ||
| CN201810827821.0A CN108826225A (en) | 2018-07-25 | 2018-07-25 | Test the chopping mechanism of lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209343075U true CN209343075U (en) | 2019-09-03 |
Family
ID=64140453
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827821.0A Pending CN108826225A (en) | 2018-07-25 | 2018-07-25 | Test the chopping mechanism of lamp box |
| CN201822124653.7U Active CN209343075U (en) | 2018-07-25 | 2018-12-18 | Test the chopping mechanism of lamp box |
| CN201811552902.0A Pending CN109445136A (en) | 2018-07-25 | 2018-12-18 | Test the chopping mechanism of lamp box |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827821.0A Pending CN108826225A (en) | 2018-07-25 | 2018-07-25 | Test the chopping mechanism of lamp box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811552902.0A Pending CN109445136A (en) | 2018-07-25 | 2018-12-18 | Test the chopping mechanism of lamp box |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN108826225A (en) |
| WO (1) | WO2020019584A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445136A (en) * | 2018-07-25 | 2019-03-08 | 苏州市琳珂照明科技有限公司 | Test the chopping mechanism of lamp box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928001B (en) * | 2019-12-25 | 2022-08-02 | 苏州精濑光电有限公司 | Detection device and detection method of display panel |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746503A (en) * | 1992-12-23 | 1998-05-05 | Marketing Displays Inc. | Illuminated canopy system |
| JP2004345399A (en) * | 2003-05-20 | 2004-12-09 | Asmo Co Ltd | Shading device |
| JP4586769B2 (en) * | 2006-06-02 | 2010-11-24 | ソニー株式会社 | Surface light source device |
| TW201248055A (en) * | 2011-04-20 | 2012-12-01 | Gs Yuasa Int Ltd | Shading device and light source device |
| CN103438376B (en) * | 2013-08-30 | 2015-07-08 | 友达光电(上海)有限公司 | Test lamp box |
| CN203759387U (en) * | 2014-02-17 | 2014-08-06 | 京东方科技集团股份有限公司 | Light shading device of backlight module and detection system of display panel |
| CN104865750B (en) * | 2015-06-12 | 2018-08-07 | 深圳市华星光电技术有限公司 | Light valve and display device |
| CN106773336A (en) * | 2017-01-03 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of shade, multi-model set product light orientation equipment and its control method |
| CN107726250A (en) * | 2017-10-27 | 2018-02-23 | 昆山精讯电子技术有限公司 | A kind of AUTOMATIC SUNSHADE |
| CN108826225A (en) * | 2018-07-25 | 2018-11-16 | 苏州市琳珂照明科技有限公司 | Test the chopping mechanism of lamp box |
| CN208687640U (en) * | 2018-07-25 | 2019-04-02 | 苏州市琳珂照明科技有限公司 | Test the chopping mechanism of lamp box |
-
2018
- 2018-07-25 CN CN201810827821.0A patent/CN108826225A/en active Pending
- 2018-11-15 WO PCT/CN2018/115758 patent/WO2020019584A1/en active Application Filing
- 2018-12-18 CN CN201822124653.7U patent/CN209343075U/en active Active
- 2018-12-18 CN CN201811552902.0A patent/CN109445136A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109445136A (en) * | 2018-07-25 | 2019-03-08 | 苏州市琳珂照明科技有限公司 | Test the chopping mechanism of lamp box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020019584A1 (en) | 2020-01-30 |
| CN109445136A (en) | 2019-03-08 |
| CN108826225A (en) | 2018-11-16 |
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