CN102547312B - Light-emitting diode (LED) stereoscopic display - Google Patents
Light-emitting diode (LED) stereoscopic display Download PDFInfo
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- CN102547312B CN102547312B CN201010595679.5A CN201010595679A CN102547312B CN 102547312 B CN102547312 B CN 102547312B CN 201010595679 A CN201010595679 A CN 201010595679A CN 102547312 B CN102547312 B CN 102547312B
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- led
- package structure
- dimensional display
- light
- emitting diode
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 15
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 15
- 239000000084 colloidal system Substances 0.000 claims abstract description 11
- 230000010287 polarization Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 4
- 239000002223 garnet Substances 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052771 Terbium Inorganic materials 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Led Device Packages (AREA)
Abstract
The invention relates to a light-emitting diode (LED) stereoscopic display, which comprises a plurality of pixels. Each pixel comprises at least two LED packaging structures. Each LED packaging structure comprises a packaging carrier, an LED chip attached to one surface of the packaging carrier, and a package covered on the LED chip. The package comprises transparent colloid and carbon nanotubes which are arranged in parallel along the same direction in the transparent colloid. The two LED packaging structures comprise at least one first-direction LED packaging structure and at least one second-direction LED packaging structure, wherein a first direction is vertical to a second direction, so that the polarization directions of emergent light of the first-direction LED packaging structure and the second-direction LED packaging structure are vertical to each other.
Description
Technical field
The present invention relates to a kind of display, relate in particular to a kind of LED three-dimensional display.
Background technology
At present, common stereo display mode is to show left-eye image and eye image on a display simultaneously, at left-eye image and the two kinds of polarizers that polarization direction is vertical that are sticked respectively before eye image, beholder is by wearing polarising glass, make right and left eyes can see respectively left-eye image and eye image, the finally fusion by human brain realizes stereoscopic visual effect.Yet, in order to obtain image clearly, no matter be left-eye image, or eye image, it is enough little that the spacing between their pixel is all wanted, and the pixel of left-eye image and eye image needs to be crisscross arranged, this just requires the polarizer size also should be very little, this causes the difficulty that is sticked of polarizer very large, and is difficult to aim at each pixel, thereby makes this three-dimensional display have higher manufacturing cost and lower yield.
Summary of the invention
In view of this, be necessary to provide a kind of novel LED three-dimensional display.
A LED three-dimensional display, it comprises a plurality of pixels, each pixel comprises at least two package structure for LED.Each package structure for LED comprises package carrier, is sticked at lip-deep light-emitting diode chip for backlight unit of this package carrier and covers the packaging body on light-emitting diode chip for backlight unit.Described packaging body comprises transparent colloid and the carbon nano-tube being arranged in parallel in the same direction in transparent colloid.Described at least two package structure for LED comprise at least one first direction package structure for LED and at least one second direction package structure for LED.Described first direction is vertical with second direction, so that the polarization direction of first direction package structure for LED and the emergent light of second direction package structure for LED is mutually vertical.
In described LED three-dimensional display, owing to including first direction package structure for LED and second direction package structure for LED in each pixel, and the polarization direction of first direction package structure for LED and the emergent light of second direction package structure for LED is mutually vertical, make like this first direction package structure for LED and second direction package structure for LED in each pixel can be used for respectively forming left-eye image and eye image, thereby reach the effect of stereo display.In addition, due in described three-dimensional display without the polarizer that is sticked, can reduce manufacturing cost and improve yield.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of LED three-dimensional display of providing of embodiment of the present invention.
Fig. 2 is the schematic diagram of a pixel of the LED three-dimensional display in Fig. 1.
Fig. 3 is the package structure for LED cutaway view in the LED three-dimensional display of Fig. 2.
Main element symbol description
LED three-dimensional display 1
Pixel 2
Package structure for LED 100
Package carrier 10
Insulating body 11
Lead frame 12
Light-emitting diode chip for backlight unit 20
Packaging body 30
Reflector 40
First surface 101
Second surface 102
Embodiment
Below with reference to the drawings, the present invention is described in further detail.
Refer to Fig. 1 and Fig. 2, a kind of LED three-dimensional display 1 that embodiment of the present invention provides, it comprises a plurality of pixels 2.Each pixel 2 comprises at least two package structure for LED 100.
Refer to Fig. 3, described package structure for LED 100 comprises package carrier 10, light-emitting diode chip for backlight unit 20, packaging body 30 and reflector 40.
Described package carrier 10 comprises insulating body 11 and two lead frames 12.Described package carrier 10 comprises relative first surface 101 and second surface 102.Described each lead frame 12 one end are exposed on the first surface 101 of package carrier 10, and the other end is exposed on the second surface 102 of package carrier 10.Described insulating body 11 can adopt high heat conduction and electrical insulating material to make, and this high heat conduction and electrical insulating material can be selected from graphite, silicon, pottery, class brill, epoxy resin or silane epoxy resins etc.Described lead frame 12 can adopt metal or metal alloy to make.
Described light-emitting diode chip for backlight unit 20 is attached on described package carrier 10, concrete, and described light-emitting diode chip for backlight unit 20 can be attached on described insulating body 11, or is attached on the exposed one end on first surface 101 of described lead frame 12.In present embodiment, described light-emitting diode chip for backlight unit 20 is attached on the exposed one end on first surface 101 of lead frame 12.Described light-emitting diode chip for backlight unit 20 can be electrically connected to described two lead frames 12 by covering the modes such as crystalline substance (flip-chip), eutectic (eutectic) or routing.In present embodiment, described light-emitting diode chip for backlight unit 20 is connected with described two lead frame 12 routings.
Described packaging body 30 covers on light-emitting diode chip for backlight unit 20, avoids the impacts such as dust, aqueous vapor for the protection of light-emitting diode chip for backlight unit 20.The carbon nano-tube 32 that described packaging body 30 comprises transparent colloid 31 and almost parallel is arranged in the same direction in transparent colloid 31.The material of transparent colloid 31 can be silica gel (silicone), epoxy resin (epoxy) or its composition.The colloid of the light that described transparent colloid 31 fingers can transmission light-emitting diode chip for backlight unit 20 send.Because the carbon nano-tube 32 being arranged in parallel has the function of polarizer, therefore, the light that light-emitting diode chip for backlight unit 20 sends can become polarised light after described packaging body 30, and the polarization direction of this polarised light is identical with the direction that carbon nano-tube 32 is arranged.In addition, because carbon nano-tube 32 has fabulous thermal conductivity, thereby can improve the heat conductivility of whole packaging body 30, be conducive to improve the radiating efficiency of light-emitting diode chip for backlight unit 20.Because carbon nano-tube 32 also has good mechanical property, thereby can improve the strength of materials of whole packaging body 30.Preferably, can be doped with fluorescent material in described packaging body 30, described fluorescent material can be selected from one or more the combination in yttrium-aluminium-garnet, terbium yttrium-aluminium-garnet, nitride, sulfide and silicate.
Described reflector 40 is arranged on the first surface 101 of package carrier 10 around described light-emitting diode chip for backlight unit 20 and packaging body 30.Described reflector 40 is for improving the light extraction efficiency of whole package structure for LED 100, and described reflector 40 can adopt reflecting material to make completely, or only its inner surface adopts reflecting material to make.Preferably, described reflector 40 adopts high conductivity material to make, to improve the radiating efficiency of light-emitting diode chip for backlight unit 20.In present embodiment, described carbon nano-tube 32 is roughly parallel to the first surface 101 of package carrier 10, because carbon nano-tube 32 axially has splendid heat conductivility, therefore, heat in packaging body 30 can be transmitted on reflector 40 fast, thereby can further improve the radiating efficiency of light-emitting diode chip for backlight unit 20.
Referring again to Fig. 2, in at least two package structure for LED 100 in described pixel 2, have at least a carbon nano-tube 32 in package structure for LED 100 to arrange along first direction, in addition, have at least a carbon nano-tube 32 in package structure for LED 100 to arrange along second direction.Described first direction is vertical with described second direction.Below, the package structure for LED 100 that carbon nano-tube 32 is arranged along first direction is called first direction package structure for LED 100, and the package structure for LED 100 that carbon nano-tube 32 is arranged along second direction is called second direction package structure for LED 100.
In present embodiment, described pixel 2 comprises 6 package structure for LED 100, wherein, and 3 first direction package structure for LED 100 and 3 second direction package structure for LED 100.Be appreciated that the total quantity of package structure for LED 100 in described pixel 2 is not limited to present embodiment, and in described pixel 2, the quantity of first direction and second direction package structure for LED 100 is also not limited to present embodiment.The relation that arranges of described first direction and second direction package structure for LED 100 is also not limited to present embodiment, for example, described two adjacent first direction package structure for LED 100 can be arranged in a row or column, and two adjacent first direction package structure for LED 100 are both also different lines of different rows also.
In order to make the described LED three-dimensional display 1 can display color, each pixel 2 should comprise the first direction package structure for LED 100 of at least two different colours, and the second direction package structure for LED 100 of at least two different colours.In present embodiment, described 3 first direction package structure for LED 100 comprise a blueness, a redness and a green LED encapsulating structure 100, and described 3 second direction package structure for LED 100 also comprise a blueness, a redness and a green LED encapsulating structure 100.
In the LED three-dimensional display 1 that embodiment of the present invention provides, owing to including first direction package structure for LED 100 and second direction package structure for LED 100 in each pixel 2, and the polarization direction of first direction package structure for LED 100 and the emergent light of second direction package structure for LED 100 is mutually vertical, make like this first direction package structure for LED 100 and second direction package structure for LED 100 in each pixel 2 can be used for respectively forming left-eye image and eye image, thereby reach the effect of stereo display.In addition, due in described LED three-dimensional display 1 without the polarizer that is sticked, can reduce manufacturing cost and improve yield.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection range of the claims in the present invention.
Claims (10)
1. a LED three-dimensional display, it comprises a plurality of pixels, each pixel comprises at least two package structure for LED, each package structure for LED comprises package carrier, be sticked at lip-deep light-emitting diode chip for backlight unit of this package carrier, and cover the packaging body on light-emitting diode chip for backlight unit, it is characterized in that: described packaging body comprises transparent colloid and the carbon nano-tube being arranged in parallel in the same direction in transparent colloid, described at least two package structure for LED comprise at least one first direction package structure for LED and at least one second direction package structure for LED, described first direction is vertical with second direction, so that the polarization direction of first direction package structure for LED and the emergent light of second direction package structure for LED is mutually vertical.
2. LED three-dimensional display as claimed in claim 1, it is characterized in that: described package carrier comprises insulating body and two lead frames, described package carrier comprises relative first surface and second surface, described each lead frame one end is exposed on the first surface of package carrier, the other end is exposed on the second surface of package carrier, and described light-emitting diode chip for backlight unit is sticked on the first surface of package carrier.
3. LED three-dimensional display as claimed in claim 2, is characterized in that: described light-emitting diode chip for backlight unit is attached on exposed one end on first surface of a lead frame of described package carrier.
4. LED three-dimensional display as claimed in claim 1, is characterized in that: described packaging body is interior doped with fluorescent material.
5. LED three-dimensional display as claimed in claim 4, is characterized in that: described fluorescent material is selected from one or more the combination in yttrium-aluminium-garnet, terbium yttrium-aluminium-garnet, nitride, sulfide and silicate.
6. LED three-dimensional display as claimed in claim 1, is characterized in that: described package structure for LED also comprises a reflector arranging around described light-emitting diode chip for backlight unit.
7. LED three-dimensional display as claimed in claim 1, is characterized in that: described carbon nano-tube is parallel to the be sticked surface of light-emitting diode chip for backlight unit of package carrier.
8. LED three-dimensional display as claimed in claim 1, it is characterized in that: two first direction package structure for LED adjacent in described LED three-dimensional display are arranged in a row or column, two adjacent second direction package structure for LED are arranged in a row or column.
9. LED three-dimensional display as claimed in claim 1, is characterized in that: described each pixel comprises the first direction package structure for LED of at least two different colours and the second direction package structure for LED of at least two different colours.
10. LED three-dimensional display as claimed in claim 1, is characterized in that: described each pixel comprises a blue first direction package structure for LED, a red first direction package structure for LED, a green first direction package structure for LED, a blue second direction package structure for LED, a red second direction package structure for LED and a green second direction package structure for LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010595679.5A CN102547312B (en) | 2010-12-20 | 2010-12-20 | Light-emitting diode (LED) stereoscopic display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010595679.5A CN102547312B (en) | 2010-12-20 | 2010-12-20 | Light-emitting diode (LED) stereoscopic display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102547312A CN102547312A (en) | 2012-07-04 |
| CN102547312B true CN102547312B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010595679.5A Expired - Fee Related CN102547312B (en) | 2010-12-20 | 2010-12-20 | Light-emitting diode (LED) stereoscopic display |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110124A (en) * | 2016-11-25 | 2018-06-01 | 佛山市国星光电股份有限公司 | A kind of TOP-LED devices and its manufacturing method |
| CN106990544B (en) * | 2017-04-17 | 2019-08-06 | 宁波万维显示科技有限公司 | Display panel and 3 d display device |
| CN108878619B (en) * | 2017-05-15 | 2021-04-09 | 巨贸精密工业股份有限公司 | Light source sensor lead frame substrate structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913648A (en) * | 2005-08-10 | 2007-02-14 | 胜华科技股份有限公司 | Image display device and stero image generation structure used for the image display device |
| CN101276012A (en) * | 2007-03-30 | 2008-10-01 | 清华大学 | Polarized light element and method for manufacturing the same |
| CN201440192U (en) * | 2009-06-17 | 2010-04-21 | 华映光电股份有限公司 | Three-dimensional monitor |
| CN201556640U (en) * | 2009-10-27 | 2010-08-18 | 先进开发光电股份有限公司 | LED encapsulating structure |
| CN201622392U (en) * | 2009-11-20 | 2010-11-03 | 中国科学技术大学 | Light-emitting diode (LED) polarizing film display screen for stereoscopic display |
-
2010
- 2010-12-20 CN CN201010595679.5A patent/CN102547312B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913648A (en) * | 2005-08-10 | 2007-02-14 | 胜华科技股份有限公司 | Image display device and stero image generation structure used for the image display device |
| CN101276012A (en) * | 2007-03-30 | 2008-10-01 | 清华大学 | Polarized light element and method for manufacturing the same |
| CN201440192U (en) * | 2009-06-17 | 2010-04-21 | 华映光电股份有限公司 | Three-dimensional monitor |
| CN201556640U (en) * | 2009-10-27 | 2010-08-18 | 先进开发光电股份有限公司 | LED encapsulating structure |
| CN201622392U (en) * | 2009-11-20 | 2010-11-03 | 中国科学技术大学 | Light-emitting diode (LED) polarizing film display screen for stereoscopic display |
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| CN102547312A (en) | 2012-07-04 |
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Effective date of registration: 20151125 Address after: 225300 Jiangsu City, Taizhou Province Economic Development Zone, medicine city road, No. 1, building, science and technology, building, layer 2, layer Patentee after: LI WEILIANG Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Street tabulaeformis Industrial Zone tenth east two Ring Road No. two Patentee before: Zhanjing Technology (Shenzhen) Co., Ltd. Patentee before: Advanced Optoelectronic Technology Inc. |
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Inventor after: Cui Liangmei Inventor before: Yang Jiaqiang Inventor before: Jian Kewei |
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Effective date of registration: 20170405 Address after: 255000 Shandong City, Linzi Province, the town of the Central District of the village shop No. 4 Group No. 44, No. Patentee after: Cui Liangmei Address before: 225300 Jiangsu City, Taizhou Province Economic Development Zone, medicine city road, No. 1, building, science and technology, building, layer 2, layer Patentee before: LI WEILIANG |
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Granted publication date: 20141015 Termination date: 20181220 |
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