WO2012148234A3 - 풀컬러 led 디스플레이 장치 및 그 제조방법 - Google Patents

풀컬러 led 디스플레이 장치 및 그 제조방법 Download PDF

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WO2012148234A3
WO2012148234A3 PCT/KR2012/003324 KR2012003324W WO2012148234A3 WO 2012148234 A3 WO2012148234 A3 WO 2012148234A3 KR 2012003324 W KR2012003324 W KR 2012003324W WO 2012148234 A3 WO2012148234 A3 WO 2012148234A3
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Prior art keywords
electrodes
display apparatus
led display
full
color led
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PCT/KR2012/003324
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English (en)
French (fr)
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WO2012148234A2 (ko
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도영락
성연국
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국민대학교 산학협력단
피에스아이 주식회사
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Priority to US14/114,338 priority Critical patent/US9059114B2/en
Publication of WO2012148234A2 publication Critical patent/WO2012148234A2/ko
Publication of WO2012148234A3 publication Critical patent/WO2012148234A3/ko

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H01L33/26—Materials of the light emitting region
    • H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
    • H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • 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
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • 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
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    • H01L33/50—Wavelength conversion elements
    • H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
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    • H01—ELECTRIC ELEMENTS
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    • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H—ELECTRICITY
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    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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    • H01L33/08—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 bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
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    • H01L33/16—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 bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
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    • H01—ELECTRIC ELEMENTS
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    • 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
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
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    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Device Packages (AREA)

Abstract

본 발명은 풀컬러 LED 디스플레이 장치 및 그 제조방법에 관한 것으로서, 보다 상세하게는, 1) 기판 위에 형성된 복수개의 제1 전극; 2) 상기 제1 전극 상에 형성된 각각의 단위 픽셀위치들(pixel sites)에 부착된 5개 이상의 초소형 청색 LED 소자; 3) 상기 기판 및 상기 청색 LED 소자의 상부에 형성된 절연층; 4) 상기 절연층 위에 형성된 복수개의 제2 전극; 및 5) 상기 단위 픽셀위치들 중 선택된 일부 단위 픽셀위치들에 대응하는 제2 전극의 상부에 형성된 녹색 색변환층 및 적색 색변환층을 포함하는 풀컬러 LED 디스플레이 장치 및, 1) 기판 위에 복수개의 제1 전극을 형성하는 단계; 2) 상기 제1 전극 상에 형성된 각각의 단위 픽셀위치 (pixel sites)에 5개 이상의 초소형 청색 LED 소자들을 부착시키는 단계; 3) 상기 기판의 상부에 절연층을 형성하는 단계; 4) 상기 절연층 위에 복수개의 제2 전극을 형성하는 단계; 및 5) 상기 단위 픽셀위치들 중 선택된 일부 단위 픽셀위치들에 대응하는 제2 전극의 상부에 녹색 색변환층 및 적색 색변환층을 순차적으로 패터닝하는 단계를 포함하는 풀컬러 LED 디스플레이 장치의 제조방법에 관한 것이다. 본 발명에 따르면, 대면적 구현이 용이하고, 불량률이 낮은 풀컬러 LED 디스플레이 장치 및 그 제조방법을 제공할 수 있다.
PCT/KR2012/003324 2011-04-29 2012-04-27 풀컬러 led 디스플레이 장치 및 그 제조방법 WO2012148234A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/114,338 US9059114B2 (en) 2011-04-29 2012-04-27 Full-color LED display device and manufacturing method thereof

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Application Number Priority Date Filing Date Title
KR10-2011-0040925 2011-04-29
KR1020110040925A KR101209449B1 (ko) 2011-04-29 2011-04-29 풀－칼라 ｌｅｄ 디스플레이 장치 및 그 제조방법

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WO2012148234A2 WO2012148234A2 (ko) 2012-11-01
WO2012148234A3 true WO2012148234A3 (ko) 2012-12-20

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US (1) US9059114B2 (ko)
KR (1) KR101209449B1 (ko)
WO (1) WO2012148234A2 (ko)

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KR20120122645A (ko) 2012-11-07

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