JP6445678B2 - ムラ補正システム、ムラ補正装置及びパネル駆動回路 - Google Patents
ムラ補正システム、ムラ補正装置及びパネル駆動回路 Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
- H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
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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
-
- 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
- G09G3/34—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
-
- 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
- G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
-
- 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
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
- G09G2360/147—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Picture Signal Circuits (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Processing Of Color Television Signals (AREA)
- Control Of El Displays (AREA)
Description
2 表示パネル
4 パネル駆動回路
5 ムラ補正装置
6 入力インターフェース(画像信号入力部)
8 ガンマ補正回路(ガンマ補正手段)
9 ガンマ補正情報取得回路(ガンマ補正情報取得手段)
10 ムラ補正回路(ムラ補正手段)
11 D/Aコンバータ(D/A変換手段)
12 出力インターフェース(ガンマ補正情報出力部)
13 パターンジェネレータ(画像信号出力部)
14 ガンマ補正情報読取部(ガンマ補正情報入力部)
16 制御部(補正データ生成手段)
Claims (3)
- 画像信号が入力される画像信号入力部と、前記画像信号入力部に入力された画像信号又は前記画像信号入力部に入力された画像信号を画像処理した画像処理信号を所定のガンマ特性を有するようにガンマ補正するガンマ補正手段と、前記ガンマ補正手段でガンマ補正されたガンマ補正信号を読み取り、前記ガンマ補正信号又は前記ガンマ補正信号を前記画像信号入力部に入力された画像信号と対比した結果をガンマ補正情報として取得するガンマ補正情報取得手段と、前記ガンマ補正信号に対し、表示パネルのムラを低減させる補正データに基づいてムラ補正を行うムラ補正手段と、前記ムラ補正手段でムラ補正されたムラ補正信号をD/A変換して前記表示パネルに出力するD/A変換手段と、前記ガンマ補正情報取得手段で取得されたガンマ補正情報を外部に出力するガンマ補正情報出力部とが設けられたパネル駆動回路と、
前記パネル駆動回路に接続され、所定の画像の画像信号を原画像信号として前記画像信号入力部に出力する画像信号出力部と、前記原画像信号について前記ガンマ補正情報出力部が出力するガンマ補正情報が入力されるガンマ補正情報入力部と、前記ガンマ補正情報入力部に入力されたガンマ補正情報及び前記表示パネルに表示されたムラ補正用画像の撮像画像に基づいて前記補正データを生成する補正データ生成手段とが設けられたムラ補正装置とを備えることを特徴とするムラ補正システム。 - 画像信号が入力される画像信号入力部と、前記画像信号入力部に入力された画像信号又は前記画像信号入力部に入力された画像信号を画像処理した画像処理信号を所定のガンマ特性を有するようにガンマ補正するガンマ補正手段と、前記ガンマ補正手段でガンマ補正されたガンマ補正信号を読み取り、前記ガンマ補正信号又は前記ガンマ補正信号を前記画像信号入力部に入力された画像信号と対比した結果をガンマ補正情報として取得するガンマ補正情報取得手段と、前記ガンマ補正信号に対し、表示パネルのムラを低減させる補正データに基づいてムラ補正を行うムラ補正手段と、前記ムラ補正手段でムラ補正されたムラ補正信号をD/A変換して前記表示パネルに出力するD/A変換手段と、前記ガンマ補正情報取得手段で取得されたガンマ補正情報を外部に出力するガンマ補正情報出力部とが設けられたパネル駆動回路に接続され、
所定の画像の画像信号を原画像信号として前記画像信号入力部に出力する画像信号出力部と、
前記原画像信号について前記ガンマ補正情報出力部が出力する前記ガンマ補正情報が入力されるガンマ補正情報入力部と、前記ガンマ補正情報入力部に入力されたガンマ補正情報及び前記表示パネルに表示されたムラ補正用画像の撮像画像に基づいて前記補正データを生成する補正データ生成手段とを備えることを特徴とするムラ補正装置。 - 画像信号が入力される画像信号入力部と、
前記画像信号入力部に入力された画像信号又は前記画像信号入力部に入力された画像信号を画像処理した画像処理信号を所定のガンマ特性を有するようにガンマ補正するガンマ補正手段と、
前記ガンマ補正手段でガンマ補正されたガンマ補正信号を読み取り、前記ガンマ補正信号又は前記ガンマ補正信号を前記画像信号入力部に入力された画像信号と対比した結果をガンマ補正情報として取得するガンマ補正情報取得手段と、
前記ガンマ補正信号に対し、表示パネルのムラを低減させる補正データに基づいてムラ補正を行うムラ補正手段と、
前記ムラ補正手段でムラ補正されたムラ補正信号をD/A変換して前記表示パネルに出力するD/A変換手段とを備え、
前記補正データが、前記ガンマ補正情報及び前記表示パネルに表示されたムラ補正用画像の撮像画像に基づいて生成されることを特徴とするパネル駆動回路。
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PCT/JP2016/087738 WO2018116337A1 (ja) | 2016-12-19 | 2016-12-19 | ムラ補正システム、ムラ補正装置及びパネル駆動回路 |
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JPWO2018116337A1 JPWO2018116337A1 (ja) | 2018-12-20 |
JP6445678B2 true JP6445678B2 (ja) | 2018-12-26 |
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Country Status (6)
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US (1) | US10750148B2 (ja) |
JP (1) | JP6445678B2 (ja) |
KR (1) | KR102524423B1 (ja) |
CN (1) | CN110073431B (ja) |
TW (1) | TWI633534B (ja) |
WO (1) | WO2018116337A1 (ja) |
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KR102535803B1 (ko) * | 2018-08-13 | 2023-05-24 | 삼성디스플레이 주식회사 | 얼룩 보정을 수행하는 표시 장치 및 표시 장치의 구동 방법 |
JP7239460B2 (ja) * | 2019-12-24 | 2023-03-14 | パナソニック液晶ディスプレイ株式会社 | 画像処理装置、及び、液晶表示装置 |
CN111933074B (zh) | 2020-10-12 | 2021-01-29 | 武汉精测电子集团股份有限公司 | 显示效果增强方法、装置、设备 |
US20240135894A1 (en) * | 2021-03-10 | 2024-04-25 | Iix Inc. | Panel drive circuit |
CN116229853A (zh) * | 2021-12-06 | 2023-06-06 | 中强光电股份有限公司 | 投影装置及投影方法 |
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CN110073431A (zh) | 2019-07-30 |
WO2018116337A1 (ja) | 2018-06-28 |
JPWO2018116337A1 (ja) | 2018-12-20 |
US10750148B2 (en) | 2020-08-18 |
TWI633534B (zh) | 2018-08-21 |
KR102524423B1 (ko) | 2023-04-24 |
CN110073431B (zh) | 2022-08-30 |
US20190037188A1 (en) | 2019-01-31 |
KR20190094286A (ko) | 2019-08-13 |
TW201824245A (zh) | 2018-07-01 |
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