JP2018077474A - ピクセル回路およびピクセル回路を形成するための方法 - Google Patents
ピクセル回路およびピクセル回路を形成するための方法 Download PDFInfo
- Publication number
- JP2018077474A JP2018077474A JP2017212456A JP2017212456A JP2018077474A JP 2018077474 A JP2018077474 A JP 2018077474A JP 2017212456 A JP2017212456 A JP 2017212456A JP 2017212456 A JP2017212456 A JP 2017212456A JP 2018077474 A JP2018077474 A JP 2018077474A
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- pixel circuit
- resistor
- source
- oled
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 15
- 230000005669 field effect Effects 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 19
- 230000008569 process Effects 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 229920001621 AMOLED Polymers 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 229910021419 crystalline silicon Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052990 silicon hydride Inorganic materials 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- -1 region Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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
- G09G3/22—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
- G09G3/30—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
- 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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
-
- 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
- G09G3/22—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
- G09G3/30—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
- 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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
-
- 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
- G09G3/22—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
- G09G3/30—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
- 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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/161—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table including two or more of the elements provided for in group H01L29/16, e.g. alloys
- H01L29/165—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table including two or more of the elements provided for in group H01L29/16, e.g. alloys in different semiconductor regions, e.g. heterojunctions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
- H01L29/802—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier with heterojunction gate, e.g. transistors with semiconductor layer acting as gate insulating layer, MIS-like transistors
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1216—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being capacitors
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
- H01L27/02—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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1214—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1229—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 other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with different crystal properties within a device or between different devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Geometry (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
【解決手段】ピクセル回路は、第1のトランジスタのゲートおよびグランドに接続されて選択入力を受信する第1のコンデンサおよびダイオード段を含む。データ・ラインは第1のトランジスタの第1のソース/ドレインに結合され、第1のトランジスタの第2のソース/ドレインは第2のトランジスタのゲートに結合される。第2のトランジスタのドレインは電源電圧に接続され、ソースは抵抗器に接続される。この抵抗器は、グランドに接続された有機発光ダイオード(OLED:organic light emitting diode)に接続される。
【選択図】図1
Description
10’ ピクセル回路
20 プロット
22 プロット
24 プロット
26 プロット
28 プロット
30 プロット
32 プロット
34 プロット
36 プロット
38 プロット
40 プロット
42 プロット
44 プロット
100 ピクセルの部分の断面図
102 基板
104 保護層
107 誘電体スペーサ
106 チャネル領域
108 固有水素化アモルファス・シリコン(i a−Si:H)層
110 アモルファスp+シリコン層(p+a−Si:H層)
112 金属層
114 誘電体キャップ
116 S/D領域
118 金属接点層
120 エッジ保護
122 有機層
124 陰極層
126 第1の層
126 スペーサ
128 第2の層
130 HJFET
132 陽極
136 OLED
140 ライナ
141 垂直スタック
142 層
144 ブリッジ
145 誘電体または基板
146 金属またはITO
148 ブリッジ
150 金属またはITO
200 アクティブ・マトリクス配列
202 選択ライン(Y)
204 行(ゲート)ドライバ回路
206 データ・ライン(X)
208 列ドライバ回路
214 行(ゲート)ドライバ回路
218 列ドライバ回路
220 アクティブ・マトリクス配列
Claims (17)
- ピクセル回路であって、
第1のトランジスタのゲートおよびグランドに接続されて選択入力を受信する第1のコンデンサおよびダイオード段と、
前記第1のトランジスタの第1のソース/ドレインおよび前記第1のトランジスタの第2のソース/ドレインに結合されたデータ・ラインとを備え、前記第1のトランジスタの前記第2のソース/ドレインは第2のトランジスタのゲートに結合され、前記第2のトランジスタのドレインは電源電圧に接続され、ソースは抵抗器に接続され、前記抵抗器は、前記グランドに接続された有機発光ダイオード(OLED)に接続される、ピクセル回路。 - 前記第1のコンデンサおよびダイオード段が、前記第1のトランジスタのピンチオフ電圧に従って前記選択入力をダウンシフトし、前記選択入力を前記グランドの電位以下に維持する、請求項1に記載のピクセル回路。
- 前記OLEDのしきい値電圧が、前記第2のトランジスタのピンチオフ電圧の絶対値よりも大きくなるように選択される、請求項1に記載のピクセル回路。
- 前記第2のトランジスタが電源電圧に結合され、ピクセル電流が前記第2のトランジスタ、前記抵抗器、および前記OLEDに流れ、前記抵抗器が前記ピクセル電流をある範囲に制限し、前記電源電圧が前記第2のトランジスタを飽和領域の範囲内にバイアスして、電源電圧に対する前記ピクセル電流の依存関係が減少またはなくなるようにする、請求項1に記載のピクセル回路。
- 前記抵抗器が、前記第2のトランジスタの前記ソースを前記OLEDの陽極に接続する透明導電体を含む、請求項1に記載のピクセル回路。
- 前記透明導電体が、形成ガスの希釈率を使用して形成された高抵抗層を含んでいる二重層を含む、請求項5に記載のピクセル回路。
- 前記透明導電体が、前記第2のトランジスタの前記ソースに対応するコンタクト・ホール内のライナ上に形成される、請求項5に記載のピクセル回路。
- 前記ライナが、材料の垂直スタックを含む、請求項7に記載のピクセル回路。
- 前記透明導電体が横方向の断絶部を伴って形成され、ブリッジが前記横方向の断絶部に形成されて前記抵抗器が提供される、請求項5に記載のピクセル回路。
- 前記グランドがグローバル・グランドを含む、請求項1に記載のピクセル回路。
- 前記グローバル・グランドがピクセル回路の配列上にブランケット蒸着される、請求項10に記載のピクセル回路。
- 前記第1のトランジスタおよび前記第2のトランジスタが低温ポリシリコン(LTPS)材料を含む、請求項1に記載のピクセル回路。
- 前記第1のトランジスタおよび前記第2のトランジスタがヘテロ接合電界効果トランジスタを含む、請求項1に記載のピクセル回路。
- ピクセル回路であって、
第1の方向に互いに並列に走る選択ラインと、
前記第1の方向を横断する第2の方向に互いに並列に走るデータ・ラインと、
前記選択ラインに接続されて前記選択ラインを駆動する行ドライバと、
前記データ・ラインに接続されて前記データ・ラインを駆動する列ドライバとを備え、
ピクセル回路は、交差する位置で前記選択ラインおよび前記データ・ラインに接続され、前記ピクセル回路は、第1のトランジスタのゲートおよびグランドに接続されて選択入力を受信する第1のコンデンサおよびダイオード段、ならびに前記第1のトランジスタの第1のソース/ドレインおよび前記第1のトランジスタの第2のソース/ドレインに結合されたデータ・ラインを使用し、前記第1のトランジスタの前記第2のソース/ドレインは第2のトランジスタのゲートに結合され、前記第2のトランジスタのドレインは電源電圧に接続され、ソースは抵抗器に接続され、前記抵抗器は、前記グランドに接続された有機発光ダイオード(OLED)に接続される、ピクセル回路。 - 前記抵抗器が、前記第2のトランジスタの前記ソースを前記OLEDの陽極に接続する透明導電体を含む、請求項14に記載のピクセル回路。
- 前記抵抗器が、二重層、コンタクト・ホール内のライナ、材料の垂直スタック、および前記OLEDの陽極を形成するか、または前記OLEDの陽極に接続される透明導電体内または金属内の横方向の断絶部に形成されたブリッジからなる群から選択される、請求項15に記載のピクセル回路。
- ピクセル回路を形成するための方法であって、
低温ポリシリコンを使用してヘテロ接合電界効果トランジスタ(HJFET)を基板上に形成することと、
保護層をHJFET上に形成することと、
コンタクト・ホールをHJFETのソースに形成することと、
前記コンタクト・ホール内の接点およびピクセル電流を抑制するための抵抗器を形成する透明導電体を形成することと、
陽極を前記抵抗器に接続して有機発光ダイオード(OLED)を形成することとを含む、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/345,248 US10068529B2 (en) | 2016-11-07 | 2016-11-07 | Active matrix OLED display with normally-on thin-film transistors |
US15/345248 | 2016-11-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018077474A true JP2018077474A (ja) | 2018-05-17 |
JP7011371B2 JP7011371B2 (ja) | 2022-01-26 |
Family
ID=60326942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017212456A Active JP7011371B2 (ja) | 2016-11-07 | 2017-11-02 | ピクセル回路 |
Country Status (3)
Country | Link |
---|---|
US (4) | US10068529B2 (ja) |
JP (1) | JP7011371B2 (ja) |
GB (1) | GB2557709B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021064894A1 (ja) * | 2019-10-02 | 2021-04-08 | シャープ株式会社 | 表示装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10068529B2 (en) * | 2016-11-07 | 2018-09-04 | International Business Machines Corporation | Active matrix OLED display with normally-on thin-film transistors |
US10832609B2 (en) * | 2017-01-10 | 2020-11-10 | X Display Company Technology Limited | Digital-drive pulse-width-modulated output system |
CN106782308B (zh) * | 2017-02-10 | 2020-05-01 | 上海天马有机发光显示技术有限公司 | 一种具有温度补偿功能的有机发光电路结构 |
US10410966B2 (en) | 2017-12-19 | 2019-09-10 | International Business Machines Corporation | BEOL embedded high density vertical resistor structure |
CN109256088B (zh) * | 2018-10-31 | 2021-10-01 | 京东方科技集团股份有限公司 | 像素电路、显示面板、显示装置和像素驱动方法 |
CN110416263A (zh) * | 2019-07-22 | 2019-11-05 | 深圳市华星光电半导体显示技术有限公司 | 一种显示面板及其制作方法 |
KR20210025748A (ko) | 2019-08-27 | 2021-03-10 | 삼성디스플레이 주식회사 | 표시 장치 |
KR20230106679A (ko) | 2020-11-17 | 2023-07-13 | 타거스 인터내셔널 엘엘씨 | 추출 가능/수축 가능 충전 포트를 갖는 케이스 |
CN112908248A (zh) * | 2021-03-02 | 2021-06-04 | 深圳市华星光电半导体显示技术有限公司 | 像素驱动电路和显示面板 |
CN113113426A (zh) * | 2021-03-19 | 2021-07-13 | 武汉华星光电半导体显示技术有限公司 | 显示面板及其制备方法 |
CN113870791B (zh) * | 2021-10-11 | 2023-07-25 | 京东方科技集团股份有限公司 | 像素驱动电路及其驱动方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001005426A (ja) * | 1999-06-23 | 2001-01-12 | Semiconductor Energy Lab Co Ltd | El表示装置及び電子装置 |
US20060050040A1 (en) * | 2004-09-03 | 2006-03-09 | Chen-Jean Chou | Active Matrix Light Emitting Device Display and Drive Method Thereof |
JP2008134577A (ja) * | 2006-10-24 | 2008-06-12 | Eastman Kodak Co | 表示装置及びその製造方法 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5403756A (en) * | 1991-11-20 | 1995-04-04 | Sharp Kabushiki Kaisha | Method of producing a polycrystalline semiconductor film without annealing, for thin film transistor |
US5350936A (en) | 1993-07-19 | 1994-09-27 | Texas Instruments Incorporated | Linear field effect transistor |
JP3281848B2 (ja) * | 1996-11-29 | 2002-05-13 | 三洋電機株式会社 | 表示装置 |
US6348709B1 (en) * | 1999-03-15 | 2002-02-19 | Micron Technology, Inc. | Electrical contact for high dielectric constant capacitors and method for fabricating the same |
JP4123411B2 (ja) | 2002-03-26 | 2008-07-23 | 株式会社半導体エネルギー研究所 | 発光装置 |
JP3977299B2 (ja) * | 2002-09-18 | 2007-09-19 | セイコーエプソン株式会社 | 電気光学装置、マトリクス基板、及び電子機器 |
US20060092183A1 (en) | 2004-10-22 | 2006-05-04 | Amedeo Corporation | System and method for setting brightness uniformity in an active-matrix organic light-emitting diode (OLED) flat-panel display |
US7317434B2 (en) * | 2004-12-03 | 2008-01-08 | Dupont Displays, Inc. | Circuits including switches for electronic devices and methods of using the electronic devices |
TWI301604B (en) | 2005-05-24 | 2008-10-01 | Au Optronics Corp | Method for driving an active display |
KR100670066B1 (ko) | 2005-05-27 | 2007-01-16 | 삼성전자주식회사 | 전하 펌프 및 이를 이용한 저소비전력 직류-직류 변환기 |
KR20070048330A (ko) * | 2005-11-04 | 2007-05-09 | 삼성전자주식회사 | 칩형 전기 소자 및 이를 포함하는 표시 장치 |
KR100967142B1 (ko) | 2006-08-01 | 2010-07-06 | 가시오게산키 가부시키가이샤 | 표시구동장치 및 표시장치 |
CN101669404B (zh) * | 2007-04-24 | 2012-03-28 | 皇家飞利浦电子股份有限公司 | 具有移位寄存器和电平移动器的led串驱动器 |
US8227808B2 (en) | 2007-12-06 | 2012-07-24 | Chimei Innolux Corporation | Method for manufacturing thin film transistor (TFT) and OLED display having TFTS manufactured by the same |
JP5487615B2 (ja) * | 2008-12-24 | 2014-05-07 | サンケン電気株式会社 | 電界効果半導体装置及びその製造方法 |
US7969226B2 (en) | 2009-05-07 | 2011-06-28 | Semisouth Laboratories, Inc. | High temperature gate drivers for wide bandgap semiconductor power JFETs and integrated circuits including the same |
KR101108176B1 (ko) | 2010-07-07 | 2012-01-31 | 삼성모바일디스플레이주식회사 | 더블 게이트형 박막 트랜지스터 및 이를 구비한 유기 발광 표시 장치 |
US10014068B2 (en) * | 2011-10-07 | 2018-07-03 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US8847216B2 (en) | 2011-12-23 | 2014-09-30 | Lg Display Co., Ltd. | Organic light emitting display device |
US10199524B2 (en) * | 2012-01-13 | 2019-02-05 | International Business Machines Corporation | Field-effect photovoltaic elements |
KR20140121463A (ko) * | 2012-01-31 | 2014-10-15 | 다우 글로벌 테크놀로지스 엘엘씨 | 프닉타이드 흡수체 필름 및 발광체 필름 간의 감소된 전도 밴드 옵셋을 가진 광발전 장치의 제조 방법 |
US9087705B2 (en) * | 2013-06-05 | 2015-07-21 | International Business Machines Corporation | Thin-film hybrid complementary circuits |
US9059123B2 (en) | 2013-07-24 | 2015-06-16 | International Business Machines Corporation | Active matrix using hybrid integrated circuit and bipolar transistor |
KR20150084095A (ko) | 2014-01-13 | 2015-07-22 | 삼성디스플레이 주식회사 | 유기전계 발광 표시장치 |
US9543290B2 (en) * | 2014-01-23 | 2017-01-10 | International Business Machines Corporation | Normally-off junction field-effect transistors and application to complementary circuits |
US9166181B2 (en) | 2014-02-19 | 2015-10-20 | International Business Machines Corporation | Hybrid junction field-effect transistor and active matrix structure |
KR102154009B1 (ko) * | 2014-07-09 | 2020-09-10 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR102280265B1 (ko) | 2014-10-06 | 2021-07-22 | 삼성디스플레이 주식회사 | 박막 트랜지스터 어레이 기판, 및 이를 포함하는 유기 발광 표시 장치 |
EP3018726B1 (en) * | 2014-11-10 | 2023-09-06 | LG Display Co., Ltd. | Organic light-emitting diode display having multi-mode cavity structure |
US20180211823A1 (en) * | 2015-08-24 | 2018-07-26 | Daniel Severin | Apparatus for vacuum sputter deposition and method therefor |
US10411223B2 (en) * | 2015-09-08 | 2019-09-10 | Sharp Kabushiki Kaisha | Organic electroluminescence device and illumination device |
CN108292488A (zh) | 2016-01-21 | 2018-07-17 | 苹果公司 | 有机发光二极管显示器的电源和数据路由结构 |
US10068529B2 (en) * | 2016-11-07 | 2018-09-04 | International Business Machines Corporation | Active matrix OLED display with normally-on thin-film transistors |
CN107016965B (zh) | 2017-05-26 | 2019-04-30 | 深圳市华星光电半导体显示技术有限公司 | Oled显示装置的ovss电压降的补偿方法及像素驱动电路 |
CN107342052B (zh) | 2017-08-18 | 2019-07-26 | 深圳市华星光电半导体显示技术有限公司 | 用于oled显示设备的像素驱动电路 |
US10699641B2 (en) | 2017-12-27 | 2020-06-30 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED display panel and OLED display device |
-
2016
- 2016-11-07 US US15/345,248 patent/US10068529B2/en active Active
-
2017
- 2017-10-10 GB GB1716554.9A patent/GB2557709B/en active Active
- 2017-11-02 JP JP2017212456A patent/JP7011371B2/ja active Active
-
2018
- 2018-06-22 US US16/016,065 patent/US11183115B2/en active Active
- 2018-06-22 US US16/016,025 patent/US10586493B2/en active Active
-
2019
- 2019-08-15 US US16/541,394 patent/US10957252B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001005426A (ja) * | 1999-06-23 | 2001-01-12 | Semiconductor Energy Lab Co Ltd | El表示装置及び電子装置 |
US20060050040A1 (en) * | 2004-09-03 | 2006-03-09 | Chen-Jean Chou | Active Matrix Light Emitting Device Display and Drive Method Thereof |
JP2008134577A (ja) * | 2006-10-24 | 2008-06-12 | Eastman Kodak Co | 表示装置及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021064894A1 (ja) * | 2019-10-02 | 2021-04-08 | シャープ株式会社 | 表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US10957252B2 (en) | 2021-03-23 |
US20180308431A1 (en) | 2018-10-25 |
US10586493B2 (en) | 2020-03-10 |
GB2557709A (en) | 2018-06-27 |
JP7011371B2 (ja) | 2022-01-26 |
US20180308432A1 (en) | 2018-10-25 |
US20180130414A1 (en) | 2018-05-10 |
US11183115B2 (en) | 2021-11-23 |
US20190371246A1 (en) | 2019-12-05 |
GB201716554D0 (en) | 2017-11-22 |
US10068529B2 (en) | 2018-09-04 |
GB2557709B (en) | 2019-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7011371B2 (ja) | ピクセル回路 | |
US11107870B2 (en) | Thin film transistor substrate having two different types of thin film transistors on the same substrate and display using the same | |
KR102302362B1 (ko) | 박막 트랜지스터 기판 및 이를 이용한 표시장치 | |
US10319297B2 (en) | Display device | |
USRE49166E1 (en) | Displays with silicon and semiconducting-oxide top-gate thin-film transistors | |
US9691833B2 (en) | Thin film transistor substrate and display using the same | |
EP2911200B1 (en) | Thin film transistor substrate and display using the same | |
CN106920804B (zh) | 一种阵列基板、其驱动方法、显示面板及显示装置 | |
US20140361276A1 (en) | Thin film transistor and active matrix organic light emitting diode assembly and method for manufacturing the same | |
KR102346544B1 (ko) | 박막 트랜지스터 기판 및 이를 이용한 표시장치 | |
KR20160027907A (ko) | 박막 트랜지스터 기판 및 이를 이용한 표시장치 | |
KR102401432B1 (ko) | 표시장치 | |
JP2019078788A (ja) | 有機el表示装置およびアクティブマトリクス基板 | |
US11925082B2 (en) | Display panel and display device | |
KR102370322B1 (ko) | 박막 트랜지스터 기판 및 이를 이용한 표시장치 | |
KR20140062862A (ko) | 유기발광 디스플레이 장치와 이의 제조방법 | |
US11817509B2 (en) | Thin film transistor, method for manufacturing the thin film transistor and display device comprising the thin film transistor | |
KR20230164452A (ko) | 박막 트랜지스터 기판, 그 제조방법 및 박막 트랜지스터 기판을 포함하는 표시장치 | |
KR20210035694A (ko) | 박막 트랜지스터, 박막 트랜지스터의 제조방법 및 이를 포함하는 표시장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200527 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210518 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20210805 |
|
RD12 | Notification of acceptance of power of sub attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7432 Effective date: 20210916 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20211004 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220104 |
|
RD14 | Notification of resignation of power of sub attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7434 Effective date: 20220105 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220112 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7011371 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |