SG11201909518YA - Led-oled hybrid self-emissive display - Google Patents

Led-oled hybrid self-emissive display

Info

Publication number
SG11201909518YA
SG11201909518YA SG11201909518YA SG11201909518YA SG 11201909518Y A SG11201909518Y A SG 11201909518YA SG 11201909518Y A SG11201909518Y A SG 11201909518YA SG 11201909518Y A SG11201909518Y A SG 11201909518YA
Authority
SG
Singapore
Prior art keywords
micro leds
hong kong
international
center
organic
Prior art date
Application number
Inventor
Lei Zhang
Qiming Li
Fang Ou
Original Assignee
Hong Kong Beida Jade Bird Display Ltd
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
Application filed by Hong Kong Beida Jade Bird Display Ltd filed Critical Hong Kong Beida Jade Bird Display Ltd
Publication of SG11201909518YA publication Critical patent/SG11201909518YA/en

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    • 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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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    • 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
    • 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
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • 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
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels

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  • Engineering & Computer Science (AREA)
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  • Computer Hardware Design (AREA)
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  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Device Packages (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 October 2018 (18.10.2018) WIPO I PCT 0111111010 0111 °nolo mu OH iflo oimIE (10) International Publication Number WO 2018/191551 Al (51) International Patent Classification: GO9G 3/14 (2006.01) G09G 3/3258 (2016.01) GO9G 3/32 (2016.01) HO1L 27/32 (2006.01) GO9G 3/3208 (2016.01) H01L 27/04 (2006.01) G09G 3/3233 (2016.01) (21) International Application Number: PCT/US2018/027381 (22) International Filing Date: 12 April 2018 (12.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/484,979 13 April 2017 (13.04.2017) US (71) Applicant: HONG KONG BEIDA JADE BIRD DIS- PLAY LIMITED [CN/CN]; Unit 7605, 76/F The Center, Queen's Rd Central, Hong Kong (CN). (72) Inventors: ZHANG, Lei; Hong Kong Beida Jade Bird Dis- play Limited, Unit 7605, 76/F, The Center, Queen's Rd Cen- tral, Hong Kong (CN). LI, Qiming; Hong Kong Beida Jade Bird Display Limited, Unit 7605, 76/F, The Center, Queen's Rd Central, Hong Kong (CN). OU, Fang; c/o Hong Kong Beida Jade Bird Display Limited, Unite 7605, 76/F, The Center, Queen's Rd Central, Hong Kong (CN). (74) Agent: FARN, Michael W. et al.; Fenwick & West LLP, Silicon Valley Center, 801 California Street, Mountain View, CA 94041 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (54) Title: LED-OLED HYBRID SELF-EMISSIVE DISPLAY 165 - 152 157 148 149 - 151 01 00 O O FIG. 2A (57) : Inorganic and organic LEDs are integrated in a single chip. In an integrated multi-color micro-LED display panel, arrays of different color micro LEDs are integrated with corresponding driver circuitry. Some colors of micro LEDs are inorganic micro LEDs, and other colors are organic micro LEDs. Inorganic versus organic can be selected on the basis of efficiency, for example using inorganic micro LEDs for blue pixels and organic micro LEDs for red and green pixels. In one approach, an array of pixel drivers is first fabricated on a supporting substrate. Multiple strata of micro LEDs are then stacked on top of the base substrate. The strata containing inorganic micro LEDs are fabricated first, with one color per stratum. A single stratum containing all of the organic micro LEDs is then fabricated at the top of the stack. [Continued on next page] WO 2018/191551 Al O II SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))
SG11201909518Y 2017-04-13 2018-04-12 Led-oled hybrid self-emissive display SG11201909518YA (en)

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