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Patent Searching and Data


Title:
MICRO LIGHT EMITTING DIODE(LED) DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/124684
Kind Code:
A1
Abstract:
The present invention relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

Inventors:
JU, Seong Hwan (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
SON, Hyeon Ho (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
KIM, Jin Yeong (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
SON, Jung Eun (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
PARK, Hanchul (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
KIM, Hyunwoo (245 LG-ro, Wollong-myeonPaju-si, Gyeonggi-do, 10845, KR)
Application Number:
KR2018/011131
Publication Date:
June 27, 2019
Filing Date:
September 20, 2018
Export Citation:
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Assignee:
LG DISPLAY CO., LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H01L27/15; H01L33/12; H01L33/36
Foreign References:
US20150362165A12015-12-17
US20090278142A12009-11-12
KR20080029312A2008-04-03
CN107393940A2017-11-24
US20170179097A12017-06-22
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (3F Hanyang Bldg, 123 Yeoksam-roGangnam-gu, Seoul, 06243, KR)
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