JP2019211565A - 表示装置及びその制御方法 - Google Patents
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- 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
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- 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]
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—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
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- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3607—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 by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- 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
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
-
- 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
- G09G2310/0232—Special driving of display border areas
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- 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
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
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- 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
- G09G3/2003—Display of colours
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Abstract
Description
図1を参照して、本実施形態に係る、表示装置の全体構成を説明する。なお、説明をわかりやすくするため、図示した物の寸法、形状については、誇張して記載している場合もある。以下において、表示装置の例として、OLED(Organic Light−Emitting Diode)表示装置を説明するが、本開示の特徴は、液晶表示装置や量子ドット表示装置等、OLED表示装置と異なる任意の種類の表示装置に適用することができる。
図3Aは、ドライバIC134の論理要素を示す。ドライバIC134は、ガンマ変換部341、相対輝度変換部342、逆ガンマ変換部343、駆動信号生成部344、及びデータドライバ345を含む。
基板100上には、複数の副画素のアノード電極にそれぞれ供給する電流を制御する複数の画素回路が形成されている。図3Bは、画素回路の構成例を示す。各画素回路は、第1のトランジスタT1と、第2のトランジスタT2と、第3のトランジスタT3と、保持容量Cとを含む。画素回路は、副画素であるOLED素子E1の発光を制御する。トランジスタは、TFT(Thin Film Transistor)である。以下、第1のトランジスタT1〜第3のトランジスタT3をそれぞれトランジスタT1〜トランジスタT3と略記する。
図4は、デルタナブラパネルにおける画素配置を示す。図4は、表示領域125の一部の領域を模式的に示す。表示領域125は、面内に配置されている、複数の赤副画素41R、複数の緑副画素41G、及び複数の青副画素41Bで構成されている。図4において、一つの赤副画素、一つの緑副画素、及び一つの青副画素が、例として、符号で指示されている。図4において、同一のハッチングの(丸い角の)四角は、同一色の副画素を示す。図4において、副画素の形状は四角であるが、副画素の形状は任意であって、例えば、六角形又は八角形であってもよい。
以下において、副画素の輝度値を補正する方法を説明する。ドライバIC134は、映像フレームの画像データから変換した表示パネルの輝度データにおいて、特定の副画素の輝度値を補正する。より具体的には、ドライバIC134は、表示領域125内でX軸に沿って延びる表示ラインに対して、そのライン端に位置する緑副画素に表示ラインの外側においてX軸に沿って隣接する赤副画素及び青副画素の輝度値が増加するように、輝度データを補正する。例えば、非点灯の赤副画素及び青副画素の輝度値が0より大きい値になる。これにより、表示ライン端で視認される色の所望の色からの変化を低減する。
Claims (8)
- 複数のパネル画素ラインを含む表示パネルと、
前記表示パネルを制御する制御部と、を含み、
前記複数のパネル画素ラインは、
それぞれ第1方向に配列された複数の第1種パネル画素からなる、第1種パネル画素ラインと、
それぞれ前記第1方向に配列された複数の第2種パネル画素からなる、第2種パネル画素ラインと、
を含み、
前記第1種パネル画素ラインと前記第2種パネル画素ラインとは、前記第1方向に垂直な第2方向に交互に配列されており、
前記第1種パネル画素は、前記第2方向に配列された第1赤副画素及び第1青副画素、並びに、前記第1赤副画素及び前記第1青副画素に対して前記第1方向と反対の側に配置され、かつ、前記第2方向において前記第1赤副画素及び前記第1青副画素の間に配置されている第1緑副画素、から構成され、
前記第2種パネル画素は、前記第2方向に配列された第2赤副画素及び第2青副画素、並びに、前記第2赤副画素及び前記第2青副画素に対して前記第1方向の側に配置され、かつ、前記第2方向において前記第2赤副画素及び前記第2青副画素の間に配置されている第2緑副画素、から構成され、
前記制御部は、
映像フレームの画像データを受信し、
前記画像データから、前記表示パネルの輝度データを生成し、
前記表示パネルの輝度データにおいて、前記第1方向において連続する輝度が0より大きい複数のパネル画素で構成された第1表示ラインに対して、前記第1表示ラインのライン端に位置する緑副画素に前記第1表示ラインの外側において前記第1表示ラインに沿って隣接する赤副画素及び青副画素の輝度値を増加させる、
表示装置。 - 請求項1に記載の表示装置であって、
前記制御部は、
前記第1表示ラインに含まれる赤副画素及び青副画素の少なくとも一部の輝度値を低下させる、
表示装置。 - 請求項2に記載の表示装置であって、
前記第1表示ラインに含まれる赤副画素の変更後の輝度値及び前記隣接する赤副画素の総輝度値は、前記第1表示ラインに含まれる赤副画素の変更前の総輝度値と一致し、
前記第1表示ラインに含まれる青副画素の変更後の輝度値及び前記隣接する青副画素の総輝度値は、前記第1表示ラインに含まれる青副画素の変更前の総輝度値と一致する、
表示装置。 - 請求項2に記載の表示装置であって、
前記制御部は、
前記第1表示ラインの全ての赤副画素及び青副画素の輝度値を同率だけ低下させる、
表示装置。 - 請求項4に記載の表示装置であって、
前記制御部は、
前記第1表示ラインの全ての赤副画素の総輝度値の低下量を、前記隣接する赤副画素の輝度値に設定し、
前記第1表示ラインの全ての青副画素の総輝度値の低下量を、前記隣接する青副画素の輝度値に設定する、
表示装置。 - 請求項2に記載の表示装置であって、
前記第1表示ラインの両端の赤副画素の輝度値の低下率は、前記第1表示ラインの中央の赤副画素の輝度値の低下率より大きく、
前記第1表示ラインの両端の青副画素の輝度値の低下率は、前記第1表示ラインの中央の青副画素の輝度値の低下率より大きい、
表示装置。 - 請求項2に記載の表示装置であって、
前記制御部は、
予め設定された数未満のパネル画素で構成される表示ラインから、前記第1表示ラインを選択する、
表示装置。 - 表示装置の制御方法であって、
前記表示装置は、複数のパネル画素ラインを含む表示パネルを含み、
前記複数のパネル画素ラインは、
それぞれ第1方向に配列された複数の第1種パネル画素からなる、第1種パネル画素ラインと、
それぞれ前記第1方向に配列された複数の第2種パネル画素からなる、第2種パネル画素ラインと、
を含み、
前記第1種パネル画素ラインと前記第2種パネル画素ラインとは、前記第1方向に垂直な第2方向に交互に配列されており、
前記第1種パネル画素は、前記第2方向に配列された第1赤副画素及び第1青副画素、並びに、前記第1赤副画素及び前記第1青副画素に対して前記第1方向と反対の側に配置され、かつ、前記第2方向において前記第1赤副画素及び前記第1青副画素の間に配置されている第1緑副画素、から構成され、
前記第2種パネル画素は、前記第2方向に配列された第2赤副画素及び第2青副画素、並びに、前記第2赤副画素及び前記第2青副画素に対して前記第1方向の側に配置され、かつ、前記第2方向において前記第2赤副画素及び前記第2青副画素の間に配置されている第2緑副画素、から構成され、
前記制御方法は、
映像フレームの画像データを受信し、
前記画像データから、前記表示パネルの輝度データを生成し、
前記表示パネルの輝度データにおいて、前記第1方向において連続する輝度が0より大きい複数のパネル画素で構成された第1表示ラインに対して、前記第1表示ラインのライン端に位置する緑副画素に前記第1表示ラインの外側において前記第1表示ラインに沿って隣接する赤副画素及び青副画素の輝度値を増加させる、
表示装置の制御方法。
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JP2003259386A (ja) * | 2002-03-01 | 2003-09-12 | Mitsubishi Electric Corp | 表示装置 |
US20170053582A1 (en) * | 2015-08-18 | 2017-02-23 | Everdisplay Optronics (Shanghai) Limited | Display device, method and device for processing image data |
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