JP6542187B2 - 表示装置及びその駆動方法 - Google Patents
表示装置及びその駆動方法 Download PDFInfo
- Publication number
- JP6542187B2 JP6542187B2 JP2016249166A JP2016249166A JP6542187B2 JP 6542187 B2 JP6542187 B2 JP 6542187B2 JP 2016249166 A JP2016249166 A JP 2016249166A JP 2016249166 A JP2016249166 A JP 2016249166A JP 6542187 B2 JP6542187 B2 JP 6542187B2
- Authority
- JP
- Japan
- Prior art keywords
- switch
- high potential
- potential voltage
- electrode
- signal
- 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
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
-
- 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
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating 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
- 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
-
- 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]
-
- 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
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0252—Improving the response speed
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
-
- 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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0435—Change or adaptation of the frame rate of the video stream
Description
101:画素
110:表示パネル
120:ゲート駆動部
130:データ駆動部
140:電源部
150:制御部
Claims (16)
- 複数のゲートライン、複数の高電位電圧ラインを含み、少なくとも前記複数のゲートライン、前記複数の高電位電圧ラインによりゲート信号と高電位電圧の伝達を受ける複数の画素を含む表示パネル;
前記高電位電圧ラインと連結され、ノーマルモードでイネーブルされて前記高電位電圧ラインに第1高電位電圧を供給し、低電力モードでディスエーブルされる電源部;及び
前記低電力モードに対応して前記電源部をディスエーブルされるように制御し、第2高電位電圧を前記高電位電圧ラインに供給して前記ノーマルモードから前記低電力モードに転換するとき、前記ノーマルモードから前記低電力モードに転換される転換時間の長さを調節することにより、前記高電位電圧ラインに印加される電圧レベルが第1高電位電圧の電圧レベルから前記第2高電位電圧の電圧レベルに達する時間を変更するパネル駆動回路
を含み、
前記パネル駆動回路は、前記低電力モードで前記電源部をディスエーブルし、前記高電位電圧ラインに供給する前記第2高電位電圧により発生する、前記パネル駆動回路から前記高電位電圧ラインに流れる電流の量を、前記第2高電位電圧となる経路を選択することで調節して前記転換時間の長さを調節し、
前記パネル駆動回路は、複数の経路の少なくとも一つの経路を選択することで、前記電流の量を調節するスイッチ部を含み、
前記スイッチ部は、第1スイッチ、第2スイッチ、第3スイッチ、ダイオードと、前記第1スイッチを制御する第1スイッチ信号と前記第2スイッチを制御する第2スイッチ信号を出力するロジック部を含み、
前記第1スイッチは、第1電極が前記第2高電位電圧が入力される入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第1スイッチ信号の伝達を受け、
前記第2スイッチは、前記第1スイッチと並列に連結され、第1電極が前記入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ダイオードは、アノード電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、カソード電極が前記高電位電圧ラインに接続された第1ノードに連結され、
前記第3スイッチは、前記ダイオードと並列に連結されて、第1電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、第2電極が前記第1ノードと連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ロジック部は、前記第1スイッチ信号と前記第2スイッチ信号の出力時点を調節して出力することにより、前記電流の量を調節するロジック部を含む、表示装置。 - 前記第1スイッチは、前記第1スイッチ信号によりターンオンされ、前記第2高電位電圧を前記高電位電圧ラインに伝達し、
前記第2スイッチは、前記第2スイッチ信号によりターンオンされ、前記第2高電位電圧を前記高電位電圧ラインに伝達する、請求項1に記載の表示装置。 - 前記ロジック部は、
入力される第1論理信号をインバーティングして前記第1スイッチ信号を出力するインバータ;及び
入力される第1論理信号と第2論理信号をNAND演算して前記第2スイッチ信号を出力するNANDゲート
を含む、請求項1に記載の表示装置。 - 前記第1スイッチのターンオンされた場合の抵抗値は、前記第2スイッチのターンオンされた場合の抵抗値より大きい、請求項1または2のいずれか一項に記載の表示装置。
- 前記ノーマルモードでの一フレームの期間は、前記低電力モードでの一フレームの期間より短い、請求項1に記載の表示装置。
- 前記第1高電位電圧の電圧レベルが、前記第2高電位電圧の電圧レベルより高い、請求項1に記載の表示装置。
- 複数のゲートライン、複数の高電位電圧ラインを含み、少なくとも前記複数のゲートライン、前記複数の高電位電圧ラインによりゲート信号と高電位電圧の伝達を受ける複数の画素を含む表示パネル;
前記高電位電圧ラインと連結され、ノーマルモードでイネーブルされて前記高電位電圧ラインに第1高電位電圧を供給し、低電力モードでディスエーブルされる電源部;及び
前記低電力モードに対応して前記電源部をディスエーブルされるように制御し、第2高電位電圧を前記高電位電圧ラインに供給して前記ノーマルモードを前記低電力モードに転換するとき、前記表示パネルの輝度変化値を設定し、前記輝度変化値に対応して前記ノーマルモードでの輝度を前記低電力モードでの輝度に変更することにより、輝度変更時間を調節するパネル駆動回路
を含み、
前記パネル駆動回路は、前記低電力モードで前記電源部をディスエーブルし、前記高電位電圧ラインに供給する前記第2高電位電圧により発生する、前記パネル駆動回路から前記高電位電圧ラインに流れる電流の量を、前記第2高電位電圧となる経路を選択することで調節して前記輝度変更時間を調節し、
前記パネル駆動回路は、複数の経路の少なくとも一つの経路を選択することで、前記電流の量を調節するスイッチ部を含み、
前記スイッチ部は、第1スイッチ、第2スイッチ、第3スイッチ、ダイオードと、前記第1スイッチを制御する第1スイッチ信号と、前記第2スイッチ及び前記第3スイッチを制御する第2スイッチ信号を出力するロジック部を含み、
前記第1スイッチは、第1電極が前記第2高電位電圧が入力される入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第1スイッチ信号の伝達を受け、
前記第2スイッチは、前記第1スイッチと並列に連結され、第1電極が前記入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ダイオードは、アノード電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、カソード電極が前記高電位電圧ラインに接続された第1ノードに連結され、
前記第3スイッチは、前記ダイオードと並列に連結されて、第1電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、第2電極が前記第1ノードと連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ロジック部は、前記第1スイッチ信号と前記第2スイッチ信号の出力時点を調節して出力することにより、前記電流の量を調節するロジック部を含む、表示装置。 - 前記第1スイッチは、前記第1スイッチ信号によりターンオンされ、前記第2高電位電圧を前記高電位電圧ラインに伝達し、
前記第2スイッチは、前記第2スイッチ信号によりターンオンされ、前記第2高電位電圧を前記高電位電圧ラインに伝達する、請求項7に記載の表示装置。 - 前記ロジック部は、
入力される第1論理信号をインバーティングして前記第1スイッチ信号を出力するインバータ;及び
入力される前記第1論理信号と第2論理信号をNAND演算して前記第2スイッチ信号を出力するNANDゲートを含む、請求項7に記載の表示装置。 - 前記第1スイッチのターンオンされた場合の抵抗値は、前記第2スイッチのターンオンされた場合の抵抗値より大きい、請求項7又は8のいずれか一項に記載の表示装置。
- 前記ノーマルモードでの一フレームの期間は、前記低電力モードでの一フレームの期間より短い、請求項7に記載の表示装置。
- 複数のゲートライン、複数の高電位電圧ラインを含み、少なくとも前記複数のゲートライン、前記複数の高電位電圧ラインによりゲート信号と高電位電圧の伝達を受ける複数の画素を含む表示パネルの前記高電位電圧ラインにノーマルモードと低電力モードによって選択的に異なる大きさの電圧を伝達する表示装置の駆動方法であって、
前記表示装置は、
前記高電位電圧ラインと連結された電源部;及び
前記電源部と連結されたパネル駆動回路
を含み、
前記パネル駆動回路は、複数の経路の少なくとも一つの経路を選択することで、電流の量を調節するスイッチ部を含み、
前記スイッチ部は、第1スイッチ、第2スイッチ、第3スイッチ、ダイオードと、前記第1スイッチを制御する第1スイッチ信号と前記第2スイッチを制御する第2スイッチ信号を出力するロジック部を含み、
前記第1スイッチは、第1電極が第2高電位電圧が入力される入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第1スイッチ信号の伝達を受け、
前記第2スイッチは、前記第1スイッチと並列に連結され、第1電極が前記入力端に連結され、第2電極が前記第3スイッチの第1電極及び前記ダイオードのアノード電極に連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ダイオードは、アノード電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、カソード電極が前記高電位電圧ラインに接続された第1ノードに連結され、
前記第3スイッチは、前記ダイオードと並列に連結されて、第1電極が前記第1スイッチ及び前記第2スイッチの第2電極と連結され、第2電極が前記第1ノードと連結され、ゲート電極が前記第2スイッチ信号の伝達を受け、
前記ロジック部は、前記第1スイッチ信号と前記第2スイッチ信号の出力時点を調節して出力することにより、前記電流の量を調節するロジック部を含み、
前記方法は、
前記ノーマルモードで前記電源部が第1高電位電圧を前記高電位電圧ラインに伝達するステップ;及び
前記低電力モードで前記電源部をディスエーブルして、前記第1高電位電圧を遮断し、前記パネル駆動回路で生成された前記第2高電位電圧を前記高電位電圧ラインに伝達して前記表示パネルの前記高電位電圧ラインに印加される電圧を前記第1高電位電圧から前記第2高電位電圧に転換し、前記高電位電圧ラインの電圧を監視して前記高電位電圧ラインの電圧レベルより前記第1高電位電圧の電圧レベルから前記第2高電位電圧の電圧レベルに転換するときに、前記第1高電位電圧から前記第2高電位電圧に転換される転換時間の長さを調節することにより、前記高電位電圧ラインに印加される電圧レベルが前記第1高電位電圧の電圧レベルから前記第2高電位電圧の電圧レベルに達する時間を変更するステップ
を含む、表示装置の駆動方法。 - 前記第2高電位電圧により発生する前記高電位電圧ラインに流れる電流の流れを、前記第2高電位電圧となる経路を選択することで調節して前記転換時間の長さを調節する、請求項12に記載の表示装置の駆動方法。
- 前記電流の流れは、前記第1スイッチと前記第2スイッチとの抵抗比を調節することにより調節される、請求項12に記載の表示装置の駆動方法。
- 前記ノーマルモードでの一フレームの期間は、前記低電力モードでの一フレームの期間より短い、請求項12に記載の表示装置の駆動方法。
- 前記第1高電位電圧の電圧レベルが、前記第2高電位電圧の電圧レベルより高い、請求項12に記載の表示装置の駆動方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160112098A KR102596606B1 (ko) | 2016-08-31 | 2016-08-31 | 표시장치 및 그의 구동방법 |
KR10-2016-0112098 | 2016-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018036620A JP2018036620A (ja) | 2018-03-08 |
JP6542187B2 true JP6542187B2 (ja) | 2019-07-10 |
Family
ID=57609775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016249166A Active JP6542187B2 (ja) | 2016-08-31 | 2016-12-22 | 表示装置及びその駆動方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US10210807B2 (ja) |
EP (1) | EP3291216B1 (ja) |
JP (1) | JP6542187B2 (ja) |
KR (1) | KR102596606B1 (ja) |
CN (1) | CN107784974B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102350724B1 (ko) * | 2017-08-21 | 2022-01-13 | 삼성전자주식회사 | 디스플레이의 동작 모드를 전환하는 방법 및 이를 수행하는 전자 장치 |
KR102511348B1 (ko) * | 2018-04-10 | 2023-03-20 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
KR102464997B1 (ko) * | 2018-05-21 | 2022-11-09 | 삼성디스플레이 주식회사 | 표시 장치 및 이를 포함하는 전자 기기 |
KR102540011B1 (ko) * | 2018-10-05 | 2023-06-05 | 삼성전자주식회사 | 디스플레이 장치 및 디스플레이 장치의 제어방법 |
KR102610428B1 (ko) * | 2018-11-05 | 2023-12-07 | 삼성디스플레이 주식회사 | Dc-dc 컨버터, 이를 포함하는 표시 장치 및 그 구동 방법 |
KR102519570B1 (ko) * | 2018-11-12 | 2023-04-10 | 삼성디스플레이 주식회사 | 표시 장치 및 이를 이용한 표시 패널의 구동 방법 |
TWI744603B (zh) * | 2019-02-19 | 2021-11-01 | 瑞鼎科技股份有限公司 | 顯示裝置及其運作方法 |
KR20200128289A (ko) | 2019-05-02 | 2020-11-12 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
KR20220151075A (ko) | 2021-05-04 | 2022-11-14 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 구동 방법 |
CN113674686B (zh) * | 2021-08-17 | 2022-06-24 | 晟合微电子(肇庆)有限公司 | 亮度调节电路、亮度调节方法及显示面板 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11119877A (ja) | 1997-10-20 | 1999-04-30 | Fujitsu Ltd | 表示制御方法及び情報処理装置 |
US6970162B2 (en) * | 2001-08-03 | 2005-11-29 | Canon Kabushiki Kaisha | Image display apparatus |
KR100942832B1 (ko) * | 2002-12-16 | 2010-02-18 | 엘지디스플레이 주식회사 | 액정 표시 장치의 전원 시퀀스 제어 방법 및 장치 |
JP2005236520A (ja) | 2004-02-18 | 2005-09-02 | Sanyo Electric Co Ltd | ディスプレイ装置 |
FR2916288B1 (fr) | 2007-05-18 | 2009-08-21 | Commissariat Energie Atomique | Dispositif d'alimentation d'un circuit electronique et circuit electronique |
KR100894606B1 (ko) * | 2007-10-29 | 2009-04-24 | 삼성모바일디스플레이주식회사 | 유기 전계 발광 표시 장치 및 그의 전원 공급 방법 |
KR100889679B1 (ko) | 2008-01-03 | 2009-03-19 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시장치 및 그의 구동방법 |
KR101142637B1 (ko) | 2010-05-10 | 2012-05-03 | 삼성모바일디스플레이주식회사 | 유기 전계발광 표시장치 및 그의 구동방법 |
KR101718068B1 (ko) * | 2010-08-20 | 2017-03-21 | 삼성디스플레이 주식회사 | 표시 장치용 전원 공급 장치 및 전원 공급 방법 |
KR101476880B1 (ko) | 2011-09-29 | 2014-12-29 | 엘지디스플레이 주식회사 | 유기발광다이오드 표시장치 |
KR101469479B1 (ko) | 2011-11-09 | 2014-12-08 | 엘지디스플레이 주식회사 | 유기 발광 다이오드 표시장치와 그 구동방법 |
KR20130140445A (ko) | 2012-06-14 | 2013-12-24 | 삼성디스플레이 주식회사 | 표시장치, 전원제어장치 및 그 구동 방법 |
CN103268754A (zh) * | 2013-05-28 | 2013-08-28 | 上海中科高等研究院 | 上升下降时间控制电路及amoled驱动控制信号产生电路 |
KR102306076B1 (ko) * | 2014-12-18 | 2021-09-29 | 삼성디스플레이 주식회사 | 전원 공급 장치 및 이를 포함하는 표시 장치 |
KR102276185B1 (ko) | 2014-12-29 | 2021-07-13 | 엘지디스플레이 주식회사 | 데이터 구동부와 이를 이용한 표시장치 |
KR102510864B1 (ko) * | 2016-05-16 | 2023-03-17 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 구동 방법 |
-
2016
- 2016-08-31 KR KR1020160112098A patent/KR102596606B1/ko active IP Right Grant
- 2016-12-22 US US15/389,020 patent/US10210807B2/en active Active
- 2016-12-22 JP JP2016249166A patent/JP6542187B2/ja active Active
- 2016-12-23 EP EP16206704.5A patent/EP3291216B1/en active Active
- 2016-12-29 CN CN201611245114.8A patent/CN107784974B/zh active Active
-
2019
- 2019-01-08 US US16/242,468 patent/US10762848B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20190139493A1 (en) | 2019-05-09 |
KR20180025508A (ko) | 2018-03-09 |
CN107784974B (zh) | 2020-10-09 |
EP3291216A1 (en) | 2018-03-07 |
JP2018036620A (ja) | 2018-03-08 |
US20180061322A1 (en) | 2018-03-01 |
US10762848B2 (en) | 2020-09-01 |
US10210807B2 (en) | 2019-02-19 |
CN107784974A (zh) | 2018-03-09 |
KR102596606B1 (ko) | 2023-11-01 |
EP3291216B1 (en) | 2019-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6542187B2 (ja) | 表示装置及びその駆動方法 | |
US11823604B2 (en) | DC-DC converter and display device including the same | |
US10181290B2 (en) | Display device and method of driving the same | |
CN108206006B (zh) | 发光显示装置及其驱动方法 | |
US9343015B2 (en) | Organic light emitting display device including a sensing unit for compensating degradation and threshold voltage and driving method thereof | |
KR101323493B1 (ko) | 유기발광다이오드 표시소자 | |
KR101469479B1 (ko) | 유기 발광 다이오드 표시장치와 그 구동방법 | |
US8988007B2 (en) | Drive voltage generation circuit for light emitting diode display device and method for driving the same | |
CN102243841A (zh) | 有机发光显示器及其驱动方法 | |
KR101481672B1 (ko) | 유기발광다이오드 표시장치 | |
KR102610428B1 (ko) | Dc-dc 컨버터, 이를 포함하는 표시 장치 및 그 구동 방법 | |
KR102044431B1 (ko) | 유기전계발광 표시장치 및 그의 구동방법 | |
US11171564B2 (en) | Power provider and driving method thereof | |
US11164529B2 (en) | Power supply and display device including the same | |
KR102151058B1 (ko) | 게이트 펄스 변조 회로와 이를 포함하는 디스플레이 장치 | |
KR20150027432A (ko) | 게이트 펄스 변조 회로와 이를 포함하는 디스플레이 장치 | |
CN118038791A (en) | Display device | |
KR20160001189A (ko) | 전원 공급부를 포함하는 액정표시장치 | |
KR102116565B1 (ko) | Dc-dc 컨버터 및 이를 포함한 유기전계발광 표시장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180109 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20180409 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180611 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20180628 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20180702 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20180704 Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20180705 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190304 |
|
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: 20190521 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190612 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6542187 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |