• 专利标题:   Making display module comprises forming epitaxial film having light emitting layer, semiconductor layers, attaching the film onto intermediate substrate having conductive material, patterning the film to form LED and electrically connecting the LED to driving circuit layer via the material.
  • 专利号:   US2021111325-A1, WO2021075728-A1, KR2021044663-A, EP3809462-A1, CN114080677-A, US11652196-B2
  • 发明人:   SHIM J, SUH J, NAMKUNG Y, KIM S, KIM D, KIM M, NAM K, KIM S W, NAMGOUNG Y, SEOJEONGHUN, SHIM J P, JIN C, JIN D, JIN M
  • 专利权人:   SAMSUNG ELECTRONICS CO LTD, SAMSUNG ELECTRONICS CO LTD, SAMSUNG ELECTRONICS CO LTD
  • 国际专利分类:   H01L023/00, H01L025/075, H01L033/00, H01L033/40, H01L033/42, H01L033/44, H01L033/58, H01L033/62, G09F009/33, H01L021/768, H01L027/15, H01L025/16, H01L033/38
  • 专利详细信息:   US2021111325-A1 15 Apr 2021 H01L-033/62 202147 English
  • 申请详细信息:   US2021111325-A1 US024833 18 Sep 2020
  • 优先权号:   KR128028, KR152622, CN80048063

▎ 摘  要

NOVELTY - Manufacturing a display module (1) comprises: forming an epitaxial film comprising a light emitting layer, a first type semiconductor layer and a second type semiconductor layer; attaching the epitaxial film onto an intermediate substrate (40) comprising a conductive material; patterning the epitaxial film to form a LED (50); and electrically connecting the LED to a driving circuit layer (20) through the conductive material. The LED has a vertical structure, and the conductive material comprises at least one of carbon nano tube, graphene or metal nano wire. The intermediate substrate further comprises an adhesive material, where the adhesive material comprises at least one of epoxy, polyimide or phenol. USE - The method is useful for manufacturing a display module, which is useful in display device (all claimed) for displaying images as well as general lighting devices. ADVANTAGE - The method involves the micro LED that emits light properly, thus increasing the yield for production of the display module. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (a) a display module; and (b) a display device. DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of the display module. Display module (1) Substrate (10) Driving circuit layer (20) Pixel circuit (21) Intermediate substrate (40) LED (50)