WO2016209025A3 - Unité de rétroéclairage utilisant une diode électroluminescente multi-cellule - Google Patents

Unité de rétroéclairage utilisant une diode électroluminescente multi-cellule Download PDF

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Publication number
WO2016209025A3
WO2016209025A3 PCT/KR2016/006768 KR2016006768W WO2016209025A3 WO 2016209025 A3 WO2016209025 A3 WO 2016209025A3 KR 2016006768 W KR2016006768 W KR 2016006768W WO 2016209025 A3 WO2016209025 A3 WO 2016209025A3
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
emitting diode
type semiconductor
conductive type
layer
Prior art date
Application number
PCT/KR2016/006768
Other languages
English (en)
Korean (ko)
Other versions
WO2016209025A2 (fr
Inventor
송영준
정정화
김은주
Original Assignee
서울반도체 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020150091420A external-priority patent/KR20170001436A/ko
Priority claimed from KR1020150101214A external-priority patent/KR102429939B1/ko
Priority claimed from KR1020150103840A external-priority patent/KR102451722B1/ko
Priority claimed from KR1020150108262A external-priority patent/KR102454170B1/ko
Priority to JP2017549369A priority Critical patent/JP2018528598A/ja
Priority to EP16814738.7A priority patent/EP3316244B1/fr
Priority to CN201690000752.0U priority patent/CN208990251U/zh
Priority to DE212016000126.4U priority patent/DE212016000126U1/de
Application filed by 서울반도체 주식회사 filed Critical 서울반도체 주식회사
Priority to US15/354,292 priority patent/US9769897B2/en
Publication of WO2016209025A2 publication Critical patent/WO2016209025A2/fr
Publication of WO2016209025A3 publication Critical patent/WO2016209025A3/fr
Priority to US15/678,739 priority patent/US10091850B2/en
Priority to US15/873,769 priority patent/US10051705B2/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • 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
    • F21K99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Led Devices (AREA)
  • Led Device Packages (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention concerne, selon un mode de réalisation, une unité de rétroéclairage comprenant : une base; et une pluralité de boîtiers de diodes électroluminescentes disposés sur la surface inférieure de la base, chaque boîtier de diode électroluminescente comprenant au moins une diode électroluminescente qui comprend : une couche à semi-conducteur de premier type conducteur; une structure mésa située sur la couche à semi-conducteur de premier type conducteur et comprenant une couche active et une couche à semiconducteur de deuxième type conducteur; une structure d'électrode réfléchissante située sur la structure mesa; une couche d'étalement de courant recouvrant la structure mesa et la couche à semi-conducteur de premier type conducteur, la couche d'étalement de courant ayant une première ouverture pour exposer la structure d'électrode réfléchissante et étant électriquement connectée à la couche à semi-conducteur de premier type conducteur et isolée de la structure d'électrode réfléchissante et de la structure mesa; et une couche isolante supérieure recouvrant la couche d'étalement de courant et la couche isolante supérieure ayant : une deuxième ouverture pour exposer la couche d'étalement de courant afin de limiter une première zone de plaquette d'électrode; et une troisième ouverture pour exposer une zone supérieure de la structure d'électrode réfléchissante exposée afin de limiter une seconde zone de plaquette d'électrode.
PCT/KR2016/006768 2015-06-26 2016-06-24 Unité de rétroéclairage utilisant une diode électroluminescente multi-cellule WO2016209025A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2017549369A JP2018528598A (ja) 2015-06-26 2016-06-24 マルチセル発光ダイオードを用いたバックライトユニット
EP16814738.7A EP3316244B1 (fr) 2015-06-26 2016-06-24 Unité de rétroéclairage utilisant une diode électroluminescente multi-cellule
CN201690000752.0U CN208990251U (zh) 2015-06-26 2016-06-24 利用多单元发光二极管的背光部件
DE212016000126.4U DE212016000126U1 (de) 2015-06-26 2016-06-24 Hintergrundbeleuchtungseinheit unter Verwendung von Mehrzellen-Leuchtdioden
US15/354,292 US9769897B2 (en) 2015-06-26 2016-11-17 Backlight unit using multi-cell light emitting diode
US15/678,739 US10091850B2 (en) 2015-06-26 2017-08-16 Backlight unit using multi-cell light emitting diode
US15/873,769 US10051705B2 (en) 2015-06-26 2018-01-17 Backlight unit using multi-cell light emitting diode

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
KR1020150091420A KR20170001436A (ko) 2015-06-26 2015-06-26 발광 다이오드 패키지를 포함하는 백라이트 유닛
KR10-2015-0091420 2015-06-26
KR20150095536 2015-07-03
KR10-2015-0095536 2015-07-03
KR1020150101214A KR102429939B1 (ko) 2015-07-16 2015-07-16 Mjt led를 이용한 백라이트 모듈 및 이를 포함하는 백라이트 유닛
KR10-2015-0101214 2015-07-16
KR1020150103840A KR102451722B1 (ko) 2015-07-03 2015-07-22 Mjt led를 이용한 백라이트 모듈 및 이를 포함하는 백라이트 유닛
KR10-2015-0103840 2015-07-22
KR10-2015-0108262 2015-07-30
KR1020150108262A KR102454170B1 (ko) 2015-07-30 2015-07-30 멀티셀 발광 다이오드를 이용한 백라이트 모듈을 포함하는 백라이트 유닛

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/354,292 Continuation US9769897B2 (en) 2015-06-26 2016-11-17 Backlight unit using multi-cell light emitting diode

Publications (2)

Publication Number Publication Date
WO2016209025A2 WO2016209025A2 (fr) 2016-12-29
WO2016209025A3 true WO2016209025A3 (fr) 2017-02-16

Family

ID=57586653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/006768 WO2016209025A2 (fr) 2015-06-26 2016-06-24 Unité de rétroéclairage utilisant une diode électroluminescente multi-cellule

Country Status (1)

Country Link
WO (1) WO2016209025A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019079979A (ja) * 2017-10-26 2019-05-23 豊田合成株式会社 半導体発光素子とその製造方法
US10418510B1 (en) * 2017-12-22 2019-09-17 Facebook Technologies, Llc Mesa shaped micro light emitting diode with electroless plated N-contact
CN109494288A (zh) * 2018-11-05 2019-03-19 江门市中阳光电科技有限公司 发光装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120031342A (ko) * 2010-09-24 2012-04-03 서울반도체 주식회사 웨이퍼 레벨 발광 다이오드 패키지 및 그것을 제조하는 방법
JP2012138499A (ja) * 2010-12-27 2012-07-19 Rohm Co Ltd 発光素子、発光素子ユニットおよび発光素子パッケージ
KR20130103263A (ko) * 2012-03-09 2013-09-23 이동원 디밍 가능한 엘이디 조명장치
KR20140045094A (ko) * 2012-10-08 2014-04-16 서울반도체 주식회사 Led 연속구동을 위한 led 구동장치 및 구동방법
KR20140117791A (ko) * 2013-03-27 2014-10-08 서울바이오시스 주식회사 발광 다이오드 및 그것을 제조하는 방법
KR20150014135A (ko) * 2013-07-29 2015-02-06 서울바이오시스 주식회사 발광 다이오드 및 그것을 갖는 발광 다이오드 모듈
KR20150025797A (ko) * 2013-08-30 2015-03-11 엘지이노텍 주식회사 발광소자 패키지 및 이를 포함하는 차량용 조명 장치
KR20150033548A (ko) * 2013-09-24 2015-04-01 서울바이오시스 주식회사 발광 다이오드 및 그것을 갖는 발광 다이오드 모듈

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120031342A (ko) * 2010-09-24 2012-04-03 서울반도체 주식회사 웨이퍼 레벨 발광 다이오드 패키지 및 그것을 제조하는 방법
JP2012138499A (ja) * 2010-12-27 2012-07-19 Rohm Co Ltd 発光素子、発光素子ユニットおよび発光素子パッケージ
KR20130103263A (ko) * 2012-03-09 2013-09-23 이동원 디밍 가능한 엘이디 조명장치
KR20140045094A (ko) * 2012-10-08 2014-04-16 서울반도체 주식회사 Led 연속구동을 위한 led 구동장치 및 구동방법
KR20140117791A (ko) * 2013-03-27 2014-10-08 서울바이오시스 주식회사 발광 다이오드 및 그것을 제조하는 방법
KR20150014135A (ko) * 2013-07-29 2015-02-06 서울바이오시스 주식회사 발광 다이오드 및 그것을 갖는 발광 다이오드 모듈
KR20150025797A (ko) * 2013-08-30 2015-03-11 엘지이노텍 주식회사 발광소자 패키지 및 이를 포함하는 차량용 조명 장치
KR20150033548A (ko) * 2013-09-24 2015-04-01 서울바이오시스 주식회사 발광 다이오드 및 그것을 갖는 발광 다이오드 모듈

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