CN104315390A - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN104315390A CN104315390A CN201410630511.1A CN201410630511A CN104315390A CN 104315390 A CN104315390 A CN 104315390A CN 201410630511 A CN201410630511 A CN 201410630511A CN 104315390 A CN104315390 A CN 104315390A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- lighting device
- plate
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
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- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a lighting device. The lighting device comprises a rear plate, a frame which is fixed in match with the rear plate, a light conducting plate arranged in the frame, an LED lamp arranged at the outer side of the side edge of the light conducting plate, a PCB which is arranged vertical to the light conducting plate to mount the LED lamp, a dispersing plate which is arranged at one side of the light conducting plate, departed from the rear plate, and a reflecting plate or a reflecting film which is attached to one side of the light conducting plate, toward the rear plate; a plurality of net points are arranged on one surface of the light conducting plate, toward the dispersing plate; a certain light mixing clearance is formed between the light conducting plate and the dispersing plate. According to the lighting device, light enters from the side edge of the light conducting plate and then is reflected to one surface of the light conducting plate, facing the dispersing plate through the reflecting plate; the light is dispersed through the plurality of net points; in addition, the light is mixed in the clearance between the dispersing plate and the light conducting plate; therefore, the dispersed light is soft; moreover, the utilization rate of the light is raised.
Description
Technical field
The present invention relates to a kind of lighting device, the lighting device of particularly a kind of LED side-light type setting.
Background technology
LED(Light Emitting Diode, light emitting diode) be a kind of can be the semiconductor devices of visible ray by electric energy conversion.LED light device is a kind of semiconducting solid luminescent device.It utilizes solid semiconductor chip LED as luminescent material, releases superfluous energy in the semiconductors and cause photo emissions, directly send red, yellow, blue, green, blue or green, orange, purple, white etc. light by carrier generation compound.
The lighting device that LED side-light type is arranged is the illuminating lamp of a LED ultra-thin energy-saving low-carbon (LC), adopt LCD backlight technology, be a kind of novel energy-conserving and environment-protective illuminating lamp, product is widely used in the room lightings such as hotel, senior office building, household, office space, indoor public places.The lighting device of most of LED side-light type includes backboard, coordinates fixing framework, light guide plate, diffuser plate, reflecting plate or reflectance coating with backboard and is arranged on the LED lamp bead of light guide plate lateral margin.
The light guide plate of the lighting device that common LED side-light type is arranged is printed with site in the one side of reflecting plate or reflectance coating, and between light guide plate with diffuser plate, zero clearance is combined.When light from the LED light source of lateral margin enter light guide plate encounter site time, diffuse reflection to light guide plate surface, another part light be then directly penetrate light guide plate arrive surface.Thus the direct light obtained the closer to the light guide plate position of light source is stronger, away from more weak.There is part producer by arrange near the site being positioned at light source tiny partially circular and spacing is become estranged, and the tight and thick slightly ovalisation of the pip being positioned at light guide plate mid portion.Make the pip near light source tiny and become estranged, diffuse reflection light is out less, and those of contrary remote light source are thick and point reflection light is out abundanter closely.After these light complex fusion, thus reach all bright effect of monoblock light guide plate.
But in the lighting device that the LED side-light type of this mode is arranged, site is reflectivity site, and easily cause the waste of light energy in reflection process, optics utilization rate is not high enough, consequently leads to temperature too high, have impact on life-span and the use of lighting device.
In the development trend of room lighting, also get more and more to the soft degree of light source and the consideration of economy, therefore by various mode, simplified processing process and manufacturing cost, the light source obtaining the even bright dipping of high performance-price ratio is very important.
Therefore the lighting device that a kind of technique can reduce simply again light source waste as far as possible must be designed.
Summary of the invention
The present invention is directed to prior art Problems existing and provide a kind of lighting device, described lighting device technique is simple, can reduce again light source waste.
For achieving the above object, the invention provides a kind of lighting device, comprise backboard, coordinate fixing framework, the light guide plate be arranged in described framework with backboard, be arranged on LED outside described light guide plate lateral margin, vertically with light guide plate arrange with the pcb board of mounted LED lamp, be arranged at light guide plate and deviate from the diffuser plate of backboard side and be fitted in light guide plate towards the reflecting plate of backboard side or reflectance coating, described light guide plate is provided with some sites towards the one side of described diffuser plate, and has certain mixed light gap between light guide plate and diffuser plate.
As a further improvement on the present invention, described mixed light gap is 0.1 to 1mm.
As a further improvement on the present invention, described lighting device also comprises the shading piece be fixed between backboard and framework, and described shading piece is provided with one and is held on the first banking stop between diffuser plate and light guide plate.
As a further improvement on the present invention, described first banking stop is provided with spacing projection towards the side of backboard, and described spacing projection and light guide plate lateral margin offset.
As a further improvement on the present invention, described shading piece is also provided with and is held on reflecting plate or the second banking stop between reflectance coating and backboard.
As a further improvement on the present invention, described shading piece is also provided with the body be connected with described first banking stop and the second banking stop, form a horizontally-arranged T-slot between described body and described first banking stop and the second banking stop, described T-slot has the vertical slot of accommodating described pcb board and the translot of accommodating described LED and light guide plate and reflecting plate or reflectance coating lateral margin.
As a further improvement on the present invention, described second banking stop is equipped with spacing projection towards the side of the first banking stop, and described spacing projection and light guide plate lateral margin offset.
As a further improvement on the present invention, described lighting device has the drive circuit being electrically connected pcb board, and described drive circuit adopts two WLG chip-in series to drive.
As a further improvement on the present invention, the thickness of described light guide plate is 0.5 to 2mm.
As a further improvement on the present invention, described framework is made up of timber or PS expanded material.
The invention has the beneficial effects as follows: described light guide plate is provided with some sites towards the one side of described diffuser plate, and there is between light guide plate and diffuser plate certain mixed light gap.Light enters from light guide plate lateral margin, by reflecting plate by light reflection to light guide plate towards the one side of diffuser plate, some sites are dispersed light, and light mixes in the gap between diffuser plate and light guide plate, make the light that exhales softer, and improve the utilization rate of light.
Accompanying drawing explanation
Fig. 1 is the perspective view of lighting device in the specific embodiment of the invention.
Fig. 2 is the decomposition texture schematic diagram of the lighting device of Fig. 1.
Fig. 3 is the sectional view of the lighting device of Fig. 1.
Fig. 4 is the enlarged drawing of encircled portion in Fig. 3.
Fig. 5 is the concrete structure schematic diagram of shading piece in Fig. 2.
Fig. 6 is the concrete structure schematic diagram of luminescence component in Fig. 2.
Fig. 7 is the concrete structure of the drive circuit of lighting device in Fig. 1.
Detailed description of the invention
Describe the present invention below with reference to each embodiment shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments or conversion functionally are all included in protection scope of the present invention.
Please refer to shown in Fig. 1 to Fig. 2, lighting device 100 of the present invention comprise backboard 1 coordinate fixing framework 2, the light guide plate 3 be arranged in described framework 2 with backboard 1, be arranged on luminescence component 4 outside described light guide plate 3 lateral margin, be fixed on shading piece 7 between backboard 1 and framework 2, be attached to light guide plate 3 towards the reflecting plate of backboard 1 side or reflectance coating 6, be arranged at the diffuser plate 5 that light guide plate 3 deviates from backboard 1 side.
Please refer to shown in Fig. 2 to Fig. 6, described luminescence component 4 comprises the pcb board 42 of strip and is disposed on some LED 41 of described pcb board 42 side, and described LED 41 flushes with the lateral margin of described light guide plate 3.Described pcb board 42 is vertical with light guide plate to be arranged, and thinks that LED 41 is powered, and described pcb board 42 is aluminium base, has good reflective and thermal diffusivity.In the present embodiment, described luminescence component 4 is symmetricly set in outside the both side edges of described light guide plate 3.
Described backboard 1 is galvanized iron sheet, and in the present embodiment, described backboard 1 is rectangular, and is provided with some fixing holes (not shown) near the position at edge around.
Described framework 2 forms rectangular frame by four frame side 21.Described frame side 21 cooperatively interacts and fixes with screw-nut (not shown) etc. with backboard 1.Described backboard 1 is just in time placed in inside the edge of described framework 2 side.Inside described frame side 21, depression arranges and also and between described backboard 1 forms a host cavity 211, and described host cavity 211 is formed to the raised back-up block 212 in backboard 1 direction towards an internal face of backboard.In the present embodiment, described framework 2 by timber or PS(Polystyrene, polystyrene) expanded material makes, cost is more cheaply and have more artistry and diversity than traditional aluminum design in appearance.
Described shading piece 7 to be fixed on backboard 1 and to be contained in described host cavity 211.The first banking stop 71 and the second banking stop 72 that described shading piece 7 is provided with a body 73, is connected with body 73.Described body 73 is fixed between back-up block 212 and host cavity 211 madial wall, and described first banking stop 71 and the second banking stop 72 are between back-up block 212 and backboard 1.Wherein, described second banking stop 72 fixes with backboard 1.Described first banking stop 71 parallels with the second banking stop 72 and is oppositely arranged.
A horizontally-arranged T-slot 74 is formed between described body 73 and the first banking stop 71 and the second banking stop 72.Described T-slot 74 has the vertical slot 741 be formed in body 73 and the translot 742 be formed between the first banking stop 71 and the second banking stop 72.Described pcb board 42 is housed in described vertical slot 741.Described LED 41 and light guide plate 3 and reflecting plate or reflectance coating 6 lateral margin are housed in described translot 742.Described first banking stop 71 and the second banking stop 72 are equipped with an inclined plane near the side of described light guide plate 3 direction of insertion, install in order to guide the insertion of described light guide plate 3.
In addition, in the present embodiment, described second banking stop 72 is equipped with spacing projection 721 towards the side of the first banking stop 71, and described spacing projection 721 offsets with light guide plate 3 lateral margin.Described spacing projection 721, in order to the distance between firm light guide plate 3 and LED 41, prevents light guide plate 3 from causing pushing up bad LED 41 because crossing thermal expansion extruding LED 41.Certainly, as another embodiment of the present invention, described spacing projection 721 is set to extend towards the side of backboard 1 from described first banking stop 71 form, or be set to form to the extension of light guide plate 3 direction from described first banking stop 71 and the second banking stop 72 respectively, to support the lateral margin of light guide plate 3, equally also object of the present invention can be reached.
Described diffuser plate 5 is clamped between described back-up block 212 and the first banking stop 71, and the lateral margin of described diffuser plate 5 is resisted against on described body 73.Because described light guide plate 3 is between the first banking stop 71 and the second banking stop 72, thus described first banking stop 71 is clamped between diffuser plate 5 and light guide plate 3, make there is mixed light gap between diffuser plate 5 and light guide plate 3, the thickness of described first banking stop 71 is 0.1 to 1mm, and the mixed light gap therefore between diffuser plate 5 and light guide plate 3 is also 0.1 to 1mm.
Described light guide plate 3 is provided with some sites 31 towards the one side of diffuser plate 5, and described site 31 is made up of laser dotting, compares traditional printing-type site mist degree lower.And traditional printing-type site is arranged on the one side that described light guide plate 3 contacts with described reflecting plate or reflectance coating 6, this site is reflection-type site, and make form gap between light guide plate 3 and described reflecting plate or reflectance coating 6, light easily causes luminous energy to waste when reflecting.In the present invention, described site is divergence form site 31, can improve the utilization rate of light.The thickness of described light guide plate 3 is 0.5 to 2mm.
Please refer to shown in Fig. 7, described lighting device 100 has the drive circuit being electrically connected pcb board, and described drive circuit adopts two WLG chip-in series to drive, and described WLG chip is the most efficient driving chip of present stage LED 41.In the present invention, drive circuit is simpler than traditional drive circuit, and cost of manufacture is lower, has approximately saved the cost of 50%, and traditional the lacking of the number ratio of element, accumulative risk is less.
In use, light is dissipated in light guide plate 3 lighting device 100 of the present invention in LED 41, and self-reflection plate or reflectance coating 6 carry out reflexing to the one side of light guide plate 3 towards diffuser plate 5.Light through the scattering of site 31, more fully mixes in mixed light gap, then through the diffusion of diffuser plate 5, makes the light that penetrates softer.And limit light guide plate 3 lateral margin because spacing projection 721 stops, make light guide plate 3 expanded by heating can not extrude LED 41, the damage of LED 41 can not be caused.Described shading piece 7 and pcb board 42 all adopt special LED heat-dissipation aluminum sectional material, all can carry out good heat radiation, prevent temperature too high service life affecting LED 41.
As known from the above, in the present invention, described light guide plate 3 is provided with some sites 31 towards the one side of described diffuser plate 5, and has certain mixed light gap between light guide plate 3 and diffuser plate 5.When light enters from light guide plate 3 lateral margin, by reflecting plate or reflectance coating 6 by the one side of light reflection to light guide plate 3 towards diffuser plate 5,31 pairs, some sites light is dispersed, and light mixes in the gap between diffuser plate 5 and light guide plate 3, make the light that exhales softer, and improve the utilization rate of light.After testing, the lighting device 100 manufactured in this way, its optics utilization rate improves 5 percent than traditional.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (10)
1. a lighting device, comprise backboard, coordinate fixing framework, the light guide plate be arranged in described framework with backboard, be arranged on LED outside described light guide plate lateral margin, vertically with light guide plate arrange with the pcb board of mounted LED lamp, be arranged at light guide plate and deviate from the diffuser plate of backboard side and be fitted in light guide plate towards the reflecting plate of backboard side or reflectance coating, it is characterized in that: described light guide plate is provided with some sites towards the one side of described diffuser plate, and there is between light guide plate and diffuser plate certain mixed light gap.
2. lighting device according to claim 1, is characterized in that: described mixed light gap is 0.1 to 1mm.
3. lighting device according to claim 1, is characterized in that: described lighting device also comprises the shading piece be fixed between backboard and framework, and described shading piece is provided with one and is held on the first banking stop between diffuser plate and light guide plate.
4. lighting device according to claim 3, is characterized in that: described first banking stop is provided with spacing projection towards the side of backboard, and described spacing projection and light guide plate lateral margin offset.
5. lighting device according to claim 3, is characterized in that: described shading piece is also provided with and is held on reflecting plate or the second banking stop between reflectance coating and backboard.
6. lighting device according to claim 5, it is characterized in that: described shading piece is also provided with the body be connected with described first banking stop and the second banking stop, form a horizontally-arranged T-slot between described body and described first banking stop and the second banking stop, described T-slot has the vertical slot of accommodating described pcb board and the translot of accommodating described LED and light guide plate and reflecting plate or reflectance coating lateral margin.
7. lighting device according to claim 6, is characterized in that: described second banking stop is equipped with spacing projection towards the side of the first banking stop, and described spacing projection and light guide plate lateral margin offset.
8. lighting device according to claim 1, is characterized in that: described lighting device has the drive circuit being electrically connected pcb board, and described drive circuit adopts two WLG chip-in series to drive.
9. lighting device according to claim 1, is characterized in that: the thickness of described light guide plate is 0.5 to 2mm.
10. lighting device according to claim 1, is characterized in that: described framework is made up of timber or PS expanded material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630511.1A CN104315390A (en) | 2014-11-11 | 2014-11-11 | Lighting device |
| PCT/CN2015/081129 WO2016074475A1 (en) | 2014-11-11 | 2015-06-10 | Illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630511.1A CN104315390A (en) | 2014-11-11 | 2014-11-11 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315390A true CN104315390A (en) | 2015-01-28 |
Family
ID=52370664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630511.1A Pending CN104315390A (en) | 2014-11-11 | 2014-11-11 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104315390A (en) |
| WO (1) | WO2016074475A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074475A1 (en) * | 2014-11-11 | 2016-05-19 | 苏州通亮照明科技有限公司 | Illumination device |
| EP3176499A1 (en) * | 2015-12-03 | 2017-06-07 | Zumtobel Lighting GmbH | Luminaire |
| CN108413297A (en) * | 2018-03-23 | 2018-08-17 | 安徽康佳绿色照明技术有限公司 | A kind of luminous elastic mechanism activity aluminium section bar LED flat lamp in side |
| CN108534026A (en) * | 2018-05-08 | 2018-09-14 | 华南理工大学 | A kind of side entering type LED plant illumination flat lamps with light guide plate |
| CN109856049A (en) * | 2018-12-14 | 2019-06-07 | 杭州元色科技有限公司 | Clear sheet Defect Detection total internal reflection light gatherer and slide glass method |
| JP2021158086A (en) * | 2020-03-30 | 2021-10-07 | 東芝ライテック株式会社 | Optical unit and illuminating device |
| CN114019708A (en) * | 2021-11-16 | 2022-02-08 | 江苏盛锐光电科技有限公司 | Rubber frame structure and liquid crystal module with same |
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| CN104315390A (en) * | 2014-11-11 | 2015-01-28 | 苏州通亮照明科技有限公司 | Lighting device |
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| CN201129668Y (en) * | 2007-12-26 | 2008-10-08 | 深圳四海合力科技有限公司 | Light conducting plate |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016074475A1 (en) * | 2014-11-11 | 2016-05-19 | 苏州通亮照明科技有限公司 | Illumination device |
| EP3176499A1 (en) * | 2015-12-03 | 2017-06-07 | Zumtobel Lighting GmbH | Luminaire |
| CN108413297A (en) * | 2018-03-23 | 2018-08-17 | 安徽康佳绿色照明技术有限公司 | A kind of luminous elastic mechanism activity aluminium section bar LED flat lamp in side |
| CN108534026A (en) * | 2018-05-08 | 2018-09-14 | 华南理工大学 | A kind of side entering type LED plant illumination flat lamps with light guide plate |
| CN109856049A (en) * | 2018-12-14 | 2019-06-07 | 杭州元色科技有限公司 | Clear sheet Defect Detection total internal reflection light gatherer and slide glass method |
| JP2021158086A (en) * | 2020-03-30 | 2021-10-07 | 東芝ライテック株式会社 | Optical unit and illuminating device |
| JP7525820B2 (en) | 2020-03-30 | 2024-07-31 | 東芝ライテック株式会社 | Optical unit and lighting device |
| CN114019708A (en) * | 2021-11-16 | 2022-02-08 | 江苏盛锐光电科技有限公司 | Rubber frame structure and liquid crystal module with same |
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| Publication number | Publication date |
|---|---|
| WO2016074475A1 (en) | 2016-05-19 |
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Application publication date: 20150128 |