JP7516504B2 - 画素駆動回路及び表示パネル - Google Patents
画素駆動回路及び表示パネル Download PDFInfo
- Publication number
- JP7516504B2 JP7516504B2 JP2022502152A JP2022502152A JP7516504B2 JP 7516504 B2 JP7516504 B2 JP 7516504B2 JP 2022502152 A JP2022502152 A JP 2022502152A JP 2022502152 A JP2022502152 A JP 2022502152A JP 7516504 B2 JP7516504 B2 JP 7516504B2
- Authority
- JP
- Japan
- Prior art keywords
- node
- switch
- module
- potential
- turned
- 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.)
- Active
Links
- 239000010409 thin film Substances 0.000 claims description 51
- 239000003990 capacitor Substances 0.000 claims description 39
- 241000750042 Vini Species 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 208000032005 Spinocerebellar ataxia with axonal neuropathy type 2 Diseases 0.000 description 6
- 208000033361 autosomal recessive with axonal neuropathy 2 spinocerebellar ataxia Diseases 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004044 response Effects 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
- G09G3/3258—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]
- G09G3/3225—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]
- G09G3/3266—Details of drivers for scan electrodes
-
- 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]
- G09G3/3275—Details of drivers for data electrodes
-
- 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]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
-
- 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
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/043—Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver
-
- 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
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
-
- 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
- G09G2300/0861—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0262—The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
前記駆動モジュールの制御端子は第1ノードに接続され、入力端子は定電圧高電位端子に接続され、出力端子は第2ノードに接続され、
前記データ書き込みモジュールの制御端子は第1走査信号線に接続され、入力端子はデータ信号線に接続され、出力端子は前記第1ノードに接続され、
前記初期化モジュールの制御端子は第2走査信号線に接続され、入力端子はリセット信号線に接続され、出力端子は第2ノードに接続され、
前記第1コンデンサの第1端子は前記第1ノードに接続され、第2端子は前記第2ノードに接続され、
前記補償モジュールは前記第1ノードに接続され、前記第1ノードの電位を制御することにより、前記駆動モジュールの閾値電圧を取得するために用いられる。
駆動モジュール100の制御端子は第1ノードGに接続され、入力端子は定電圧高電位端子VDDに接続され、出力端子は第2ノードSに接続され、
データ書き込みモジュール200の制御端子は第1走査信号線Scan1に接続され、入力端子はデータ信号線Dataに接続され、出力端子は第1ノードGに接続され、
初期化モジュール300の制御端子は第2走査信号線Scan2に接続され、入力端子はリセット信号線Viniに接続され、出力端子は第2ノードSに接続され、
第1コンデンサC1の第1端子は第1ノードGに接続され、第2端子は第2ノードSに接続され、
検出モジュール400は第1ノードGに接続され、第1ノードGの電位を制御することにより、駆動モジュール100の閾値電圧を検出して補償するために用いられる。
図3に示すように、第1時間帯t1において、第1スイッチSW1及び第2スイッチSW2がオンにされ、第3スイッチSW3がオフにされ、データ書き込みモジュール200がオフにされ、初期化モジュール300及び駆動モジュール100がオンにされる。
第2時間帯t2において、第1ノードGの電位は基準信号線の電位Vrefであり、第2ノードSの電位は基準信号線の電位Vrefと駆動モジュール100の閾値電圧Vthとの差Vref-Vthである。
図6に示すように、第4時間帯t4において、第1スイッチSW1及び第2スイッチSW2がオフにされ、第3スイッチSW3がオンにされ、データ書き込みモジュール200及び初期化モジュール300がオンにされ、駆動モジュール100がオフからオンにされる。
図3に示すように、第1時間帯t1は第1ノードG及び第2ノードSの電位を初期化するために用いられる。具体的には、第1スイッチSW1及び第2スイッチSW2がオンにされ、第3スイッチSW3がオフにされる。演算増幅器OPのバーチャルショート効果に基づいて、演算増幅器OPは電圧フォロアとして、第1ノードGの電位を基準信号線の電位Vrefにすることができる。第1走査信号線Scan1はローレベルであり、かつ第2走査信号線Scan2はハイレベルであることにより、第2薄膜トランジスタT2がオフにされ、かつ第3薄膜トランジスタT3がオンにされ、第2ノードSの電位がリセット信号線の電位Viniになり、第1薄膜トランジスタT1のゲートソース電位差VgsがVref-Viniでオンにされ、第1コンデンサC1が充電される。
図6に示すように、第4時間帯t4は補償後のデータ信号Dataを書き込むために用いられる。具体的には、第1走査信号線Scan1及び第2走査信号線Scan2はハイレベルであることにより、第2薄膜トランジスタT2及び第3薄膜トランジスタT3がオンにされ、第2ノードSの電位がリセット信号線の電位Viniとなる。第1スイッチSW1及び第2スイッチSW2がオフにされ、第3スイッチSW3がオンにされ、第3時間帯t3に抽出された第1薄膜トランジスタT1の閾値電圧Vth、及びリセット信号線の電位Viniを、入力する必要があるデータ信号線Vdataの電位に重畳する。すなわちデータ信号Dataを補償する必要がある電圧はVout’=Vth+Viniであり、補償後のデータ信号Dataの電位がVdata+Vth+Viniであることで、第1ノードGと第2ノードSとの電位差がVdata+Vthになり、第1薄膜トランジスタT1がオンにされる。
200 データ書き込みモジュール
300 初期化モジュール
400 検出モジュール
500 閉鎖面
500 補償モジュール
Claims (9)
- 画素駆動回路であって、
駆動モジュールと、データ書き込みモジュールと、初期化モジュールと、第1コンデンサと、検出モジュールと、を含み、
前記駆動モジュールの制御端子は第1ノードに接続され、入力端子は定電圧高電位端子に接続され、出力端子は第2ノードに接続され、
前記データ書き込みモジュールの制御端子は第1走査信号線に接続され、入力端子はデータ信号線に接続され、出力端子は前記第1ノードに接続され、
前記初期化モジュールの制御端子は第2走査信号線に接続され、入力端子はリセット信号線に接続され、出力端子は第2ノードに接続され、
前記第1コンデンサの第1端子は前記第1ノードに接続され、第2端子は前記第2ノードに接続され、
前記検出モジュールは前記第1ノードに接続され、前記第1ノードの電位を制御することにより、前記駆動モジュールの閾値電圧を取得するために用いられ、
前記検出モジュールは、演算増幅器と、第1スイッチと、第2スイッチと、第2コンデンサと、を含み、
前記演算増幅器の第1入力端子は前記第1スイッチを介して前記第1ノードに接続され、第2入力端子は基準信号線に接続され、
前記第1スイッチは前記第1ノードと前記演算増幅器の第1入力端子との間に結合され、
前記第2スイッチ及び前記第2コンデンサは前記演算増幅器の第1入力端子と出力端子との間に結合され、
補償モジュールをさらに含み、前記補償モジュールは、アナログデジタル変換器と、デジタルアナログ変換器と、第3スイッチと、を含み、
前記アナログデジタル変換器の入力端子は前記演算増幅器の出力端子に接続され、前記デジタルアナログ変換器の出力端子は前記第3スイッチを介して前記データ書き込みモジュールの入力端子に接続される、画素駆動回路。 - 前記駆動モジュールは第1薄膜トランジスタを含み、前記第1薄膜トランジスタのゲートは前記第1ノードに接続され、前記第1薄膜トランジスタのソースは前記第2ノードに接続され、前記第1薄膜トランジスタのドレインは前記定電圧高電位端子に接続される、請求項1に記載の画素駆動回路。
- 前記データ書き込みモジュールは第2薄膜トランジスタを含み、前記第2薄膜トランジスタのゲートは前記第1走査信号線に接続され、前記第2薄膜トランジスタのソースは前記データ信号線に接続され、前記第2薄膜トランジスタのドレインは前記第1ノードに接続される、請求項1に記載の画素駆動回路。
- 前記初期化モジュールは第3薄膜トランジスタを含み、前記第3薄膜トランジスタのゲートは前記第2走査信号線に接続され、前記第3薄膜トランジスタのソースは前記リセット信号線に接続され、前記第3薄膜トランジスタのドレインは前記第2ノードに接続される、請求項1に記載の画素駆動回路。
- 閾値電圧検出段階を含み、前記閾値電圧検出段階は、第1時間帯と、第2時間帯と、第3時間帯と、を含み、
前記第1時間帯において、前記第1スイッチ及び前記第2スイッチがオンにされ、前記第3スイッチがオフにされ、前記データ書き込みモジュールがオフにされ、前記初期化モジュール及び前記駆動モジュールがオンにされ、
前記第2時間帯において、前記第1スイッチ及び前記第2スイッチがオンにされ、前記第3スイッチがオフにされ、前記データ書き込みモジュール及び前記初期化モジュールがオフにされ、前記駆動モジュールがオンからオフにされ、
前記第3時間帯において、前記第1スイッチがオンにされ、前記第2スイッチ及び前記第3スイッチがオフにされ、前記データ書き込みモジュール及び前記駆動モジュールがオフにされ、前記初期化モジュールがオンにされる、請求項1に記載の画素駆動回路。 - 前記第1時間帯において、前記第1ノードの電位は定電圧高電位端子の電位VDDであり、前記第2ノードの電位は前記基準信号線の電位Viniであり、
前記第2時間帯において、前記第1ノードの電位は前記基準信号線の電位Vrefであり、前記第2ノードの電位は前記基準信号線の電位Vrefと前記駆動モジュールの閾値電圧Vthとの差であり、
前記第3時間帯において、前記第1ノードの電位は前記基準信号線の電位Vrefであり、前記第2ノードの電位は前記基準信号線の電位Viniである、請求項5に記載の画素駆動回路。 - 表示補償段階をさらに含み、前記表示補償段階は、第4時間帯と、第5時間帯と、を含み、
前記第4時間帯において、前記第1スイッチ及び前記第2スイッチがオフにされ、前記第3スイッチがオンにされ、前記データ書き込みモジュール及び前記初期化モジュールがオンにされ、前記駆動モジュールがオフからオンにされ、
前記第5時間帯において、前記第1スイッチ及び前記第2スイッチがオフにされ、前記第3スイッチがオンにされ、前記駆動モジュールがオンにされ、前記データ書き込みモジュール及び前記初期化モジュールがオフにされる、請求項1に記載の画素駆動回路。 - 前記第4時間帯及び前記第5時間帯において、前記第1ノードの電位は、前記データ信号線の電位Vdataと、前記駆動モジュールの閾値電圧Vthと、前記リセット信号線の電位Viniとの和であり、前記第2ノードの電位は前記基準信号線の電位Viniである、請求項7に記載の画素駆動回路。
- 表示パネルであって、有機発光ダイオードと、請求項1ないし8のうちのいずれかの1項に記載の画素駆動回路と、を含み、
前記有機発光ダイオードが前記画素駆動回路の駆動モジュールの出力端子と定電圧低電位端子との間に結合されることにより、前記画素駆動回路は、前記有機発光ダイオードが発光するように駆動するために用いられる、表示パネル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111547422.7 | 2021-12-16 | ||
CN202111547422.7A CN114267298A (zh) | 2021-12-16 | 2021-12-16 | 像素驱动电路及显示面板 |
PCT/CN2021/141167 WO2023108796A1 (zh) | 2021-12-16 | 2021-12-24 | 像素驱动电路及显示面板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2024503948A JP2024503948A (ja) | 2024-01-30 |
JP7516504B2 true JP7516504B2 (ja) | 2024-07-16 |
Family
ID=80827613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022502152A Active JP7516504B2 (ja) | 2021-12-16 | 2021-12-24 | 画素駆動回路及び表示パネル |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240046875A1 (ja) |
EP (1) | EP4451257A1 (ja) |
JP (1) | JP7516504B2 (ja) |
CN (1) | CN114267298A (ja) |
WO (1) | WO2023108796A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114898712B (zh) | 2022-05-26 | 2023-05-02 | 惠科股份有限公司 | 像素电路、像素驱动方法及显示装置 |
TWI810014B (zh) * | 2022-08-09 | 2023-07-21 | 大陸商集創北方(珠海)科技有限公司 | 具有老化偵測功能之oled像素電路架構、oled顯示裝置及資訊處理裝置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015132834A1 (ja) | 2014-03-06 | 2015-09-11 | 株式会社Joled | 有機el表示装置 |
US20200035161A1 (en) | 2018-07-26 | 2020-01-30 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display device and driving circuit thereof |
CN111429842A (zh) | 2020-04-23 | 2020-07-17 | 合肥京东方卓印科技有限公司 | 显示面板及其驱动方法、显示装置 |
CN112086056A (zh) | 2020-09-15 | 2020-12-15 | 合肥维信诺科技有限公司 | 像素电路及其驱动方法、显示面板及其驱动方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160067251A (ko) * | 2014-12-03 | 2016-06-14 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 구동방법 |
CN104409047B (zh) * | 2014-12-18 | 2017-01-18 | 合肥鑫晟光电科技有限公司 | 像素驱动电路、像素驱动方法和显示装置 |
CN106328061B (zh) * | 2016-10-14 | 2019-03-12 | 深圳市华星光电技术有限公司 | Oled像素混合补偿电路及混合补偿方法 |
KR102609508B1 (ko) * | 2016-11-11 | 2023-12-04 | 엘지디스플레이 주식회사 | 외부 보상용 드라이버 집적회로와 그를 포함한 표시장치 |
KR102652882B1 (ko) * | 2016-11-23 | 2024-03-29 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그의 구동 방법 |
CN106652912B (zh) * | 2016-12-13 | 2020-05-19 | 上海天马有机发光显示技术有限公司 | 有机发光像素驱动电路、驱动方法以及有机发光显示面板 |
KR102595130B1 (ko) * | 2017-12-07 | 2023-10-26 | 엘지디스플레이 주식회사 | 발광 표시 장치 및 이의 구동 방법 |
TWI673695B (zh) * | 2018-07-13 | 2019-10-01 | 友達光電股份有限公司 | 顯示面板 |
KR102513528B1 (ko) * | 2018-07-16 | 2023-03-24 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 이의 구동 방법 |
CN108831384B (zh) * | 2018-07-26 | 2019-10-25 | 深圳市华星光电半导体显示技术有限公司 | 有机发光二极管显示装置的驱动电路 |
US10749237B2 (en) * | 2018-07-31 | 2020-08-18 | Semiconductor Components Industries, Llc | Substrate integrated waveguide and method for manufacturing the same |
KR102645177B1 (ko) * | 2019-03-15 | 2024-03-11 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
CN114097022B (zh) * | 2019-06-25 | 2024-03-26 | 夏普株式会社 | 显示装置及其驱动方法 |
CN110349542A (zh) * | 2019-07-15 | 2019-10-18 | 京东方科技集团股份有限公司 | 一种显示面板、显示装置及其控制方法 |
KR102643806B1 (ko) * | 2019-08-05 | 2024-03-05 | 삼성전자주식회사 | Oled 구동 특성 검출 회로 및 이를 포함하는 유기 발광 표시 장치 |
CN110503920B (zh) * | 2019-08-29 | 2021-02-23 | 云谷(固安)科技有限公司 | 一种显示装置及其驱动方法 |
CN112201207B (zh) * | 2020-09-30 | 2021-11-12 | 合肥维信诺科技有限公司 | 像素电路的驱动方法、像素电路和显示装置 |
KR20220078234A (ko) * | 2020-12-03 | 2022-06-10 | 주식회사 엘엑스세미콘 | 화소센싱회로 및 화소센싱방법 |
-
2021
- 2021-12-16 US US17/623,433 patent/US20240046875A1/en active Pending
- 2021-12-16 CN CN202111547422.7A patent/CN114267298A/zh active Pending
- 2021-12-24 WO PCT/CN2021/141167 patent/WO2023108796A1/zh active Application Filing
- 2021-12-24 JP JP2022502152A patent/JP7516504B2/ja active Active
- 2021-12-24 EP EP21835923.0A patent/EP4451257A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015132834A1 (ja) | 2014-03-06 | 2015-09-11 | 株式会社Joled | 有機el表示装置 |
US20200035161A1 (en) | 2018-07-26 | 2020-01-30 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display device and driving circuit thereof |
CN111429842A (zh) | 2020-04-23 | 2020-07-17 | 合肥京东方卓印科技有限公司 | 显示面板及其驱动方法、显示装置 |
CN112086056A (zh) | 2020-09-15 | 2020-12-15 | 合肥维信诺科技有限公司 | 像素电路及其驱动方法、显示面板及其驱动方法 |
Also Published As
Publication number | Publication date |
---|---|
CN114267298A (zh) | 2022-04-01 |
JP2024503948A (ja) | 2024-01-30 |
EP4451257A1 (en) | 2024-10-23 |
WO2023108796A1 (zh) | 2023-06-22 |
US20240046875A1 (en) | 2024-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10515588B2 (en) | Detection method for pixel circuit, driving method for display panel and display panel | |
US11227547B2 (en) | Pixel circuit for compensating threshold voltage of driving transistor and driving method | |
WO2018068393A1 (zh) | Oled像素混合补偿电路及混合补偿方法 | |
JP5010030B2 (ja) | 表示装置及びその制御方法 | |
WO2019205750A1 (zh) | 像素电路的检测方法、显示面板的驱动方法和显示面板 | |
US11056065B2 (en) | Light-emitting display for compensating degradation of organic light-emitting diode and method of driving the same | |
JP7516504B2 (ja) | 画素駆動回路及び表示パネル | |
WO2019196925A1 (zh) | 像素电路单元及驱动方法、显示面板、显示装置 | |
US11257406B2 (en) | Aging detection circuit, aging compensation circuit, display panel and aging compensation method | |
JP2020503553A (ja) | Oled駆動薄膜トランジスタの閾値電圧検出方法 | |
US10535303B2 (en) | Organic light emitting display panel, driving method thereof and organic light emitting display apparatus | |
CN108962146B (zh) | 外部补偿电路及补偿方法、显示装置 | |
WO2019223648A1 (zh) | 显示面板的驱动方法和显示装置 | |
US11295668B2 (en) | Pixel circuit, display panel, display device and pixel driving method | |
CN107978279B (zh) | 像素电路的数据电压补偿方法、补偿装置及显示系统 | |
CN114120910A (zh) | 像素补偿驱动电路及显示面板 | |
US20190266950A1 (en) | Amoled pixel driving circuit and driving method | |
KR20190129948A (ko) | 픽셀 구동 회로 및 oled 디스플레이 장치 | |
US11139804B2 (en) | Circuit including flip-flop and control element | |
WO2016201847A1 (zh) | 像素电路及其驱动方法、显示装置 | |
CN113808529B (zh) | 像素电路及其外部补偿方法 | |
KR101029502B1 (ko) | 구동회로 | |
CN112802429B (zh) | 像素驱动电路及显示面板 | |
CN113077761B (zh) | 像素电路、像素驱动方法和显示装置 | |
CN111029395B (zh) | 基于有机薄膜晶体管的电流型像素驱动电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220317 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20231002 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20231109 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240219 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240514 |
|
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: 20240603 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240703 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7516504 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |