WO2016051680A1 - 映像表示装置、映像表示方法、及びプログラム - Google Patents
映像表示装置、映像表示方法、及びプログラム Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/005—Adapting incoming signals to the display format of the display terminal
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
-
- 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
- G09G2310/0202—Addressing of scan or signal lines
- G09G2310/0216—Interleaved control phases for different scan lines in the same sub-field, e.g. initialization, addressing and sustaining in plasma displays that are not simultaneous for all scan lines
-
- 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
- G09G2310/06—Details of flat display driving waveforms
- G09G2310/061—Details of flat display driving waveforms for resetting or blanking
- G09G2310/062—Waveforms for resetting a plurality of scan lines at a time
-
- 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
-
- 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
- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
-
- 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
- G09G2360/12—Frame memory handling
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
Abstract
Description
背景技術の欄に記載したように、映像表示装置において、フレーム周期内で表示むらが発生する場合がある。この問題に関し、本発明者は、垂直ブランキング期間の存在がそのような表示むらの発生に関与していることを見出した。
図1は、実施の形態1に係る映像表示装置の一例である有機EL表示装置の構成の一例を示す機能ブロック図である。当該映像表示装置は、入力映像フォーマットで表された映像を取得し、当該映像のフォーマットを、当該入力映像フォーマットと比較してフレーム周波数が同一でかつ垂直ブランキング期間が少ない出力映像フォーマットに変換し、当該映像を当該出力映像フォーマットに従って表示する表示装置である。
実施の形態2では、出力映像フォーマットの他の一例が示される。
2 表示部
3 画素部
4 表示駆動部
5 走査線駆動回路
6 信号線駆動回路
7 映像フォーマット変換部
8 映像取得部
9 電源回路
10 映像ソース
31 有機EL素子
32 保持容量
33 駆動トランジスタ
34~37 スイッチングトランジスタ
51 制御線
51a イネーブル制御線
51b 初期化制御線
51c 参照制御線
51d 走査制御線
61 データ線
71 フレームメモリ
72 クロックコンバータ
73 タイミングコントローラ
91 電源線
91a 第1電源線
91b 第2電源線
91c 初期化電圧線
91d 参照電圧線
Claims (6)
- 複数の画素部をn行m列のマトリクス状に配置してなる表示部と、
フレームがn行m列の有効画素領域とp1列の水平ブランキング期間とq1行の垂直ブランキング期間とで構成されかつ複数の前記フレームを所定のフレーム周波数で表示するための入力映像フォーマットで表された映像を取得する映像取得部と、
前記映像のフォーマットを、フレームがn行m列の有効画素領域とp2列の水平ブランキング期間とq1行よりも少ないq2行の垂直ブランキング期間とで構成されかつ複数の前記フレームを前記所定のフレーム周波数で表示するための出力映像フォーマットに変換する映像フォーマット変換部と、
前記映像を前記出力映像フォーマットでの水平走査周波数で行ごとに前記表示部に表示する表示駆動部と、
を備える映像表示装置。 - 前記映像フォーマット変換部は、
前記映像をフレームごとに保持するフレームメモリと、
前記所定のフレーム周波数をf1Fとするとき、前記水平走査周期数fHSYNC2の水平同期信号と、ドット周波数fDCLK2のドットクロック信号とを、fHSYNC2=f1F(n+q2)及びfDCLK2=f1F(m+p2)(n+q2)なる関係に従って生成するクロックコンバータと、
前記ドットクロック信号に従って前記フレームメモリから画素ごとの映像データを読み出し、読み出された映像データと前記水平同期信号とを前記表示駆動部に供給するタイミングコントローラと、
を有し、
前記表示駆動部は、前記表示部の1つの行に配置されている画素部での表示動作を、前記水平同期信号に同期して行ごとに順次駆動する、
請求項1に記載の映像表示装置。 - 前記映像フォーマット変換部は、前記映像のフォーマットを、(m+p1)(n+q1)=(m+p2)(n+q2)なる関係を満たす前記出力映像フォーマットに変換する、
請求項2に記載の映像表示装置。 - 前記映像フォーマット変換部は、前記映像のフォーマットを、(m+p1)(n+q1)=(m+p2)n、q2=0なる関係を満たす前記出力映像フォーマットに変換する、
請求項2に記載の映像表示装置。 - フレームがn行m列の有効画素領域とp1列の水平ブランキング期間とq1行の垂直ブランキング期間とで構成されかつ複数の前記フレームを所定のフレーム周波数で表示するための入力映像フォーマットで表された映像を取得し、
前記映像のフォーマットを、フレームがn行m列の有効画素領域とp2列の水平ブランキング期間とq1行よりも少ないq2行の垂直ブランキング期間とで構成されかつ複数の前記フレームを前記所定のフレーム周波数で表示するための出力映像フォーマットに変換し、
前記映像を、複数の画素部をn行m列のマトリクス状に配置してなる表示部に、前記出力映像フォーマットでの水平走査周波数で行ごとに表示する、
映像表示方法。 - 請求項5に記載の映像表示方法をコンピュータに実行させるプログラム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US15/514,949 US9854200B2 (en) | 2014-09-29 | 2015-09-08 | Video display device, video display method, and program |
JP2016551495A JP6476403B2 (ja) | 2014-09-29 | 2015-09-08 | 映像表示装置、映像表示方法、及びプログラム |
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Cited By (1)
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JP2018087960A (ja) * | 2016-08-17 | 2018-06-07 | 株式会社半導体エネルギー研究所 | 表示方法、表示装置、表示モジュールおよび電子機器 |
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JP6515455B2 (ja) * | 2014-07-22 | 2019-05-22 | セイコーエプソン株式会社 | 撮像装置及び撮像表示装置 |
CN108401125B (zh) | 2018-02-28 | 2020-04-21 | 京东方科技集团股份有限公司 | 视频数据处理方法、装置及存储介质 |
KR20210056758A (ko) * | 2019-11-11 | 2021-05-20 | 엘지디스플레이 주식회사 | 에미션 구동 회로를 포함한 전계발광 표시패널 |
CN113141481B (zh) | 2020-01-17 | 2022-12-06 | 京东方科技集团股份有限公司 | 视频时序转换方法和装置、计算机可读介质 |
KR20220060606A (ko) * | 2020-11-04 | 2022-05-12 | 삼성디스플레이 주식회사 | 표시 장치 |
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- 2015-09-08 WO PCT/JP2015/004573 patent/WO2016051680A1/ja active Application Filing
- 2015-09-08 US US15/514,949 patent/US9854200B2/en active Active
- 2015-09-08 JP JP2016551495A patent/JP6476403B2/ja active Active
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JPS62245290A (ja) * | 1986-04-18 | 1987-10-26 | 松下電器産業株式会社 | プラズマ表示装置 |
JPH07115589A (ja) * | 1993-10-15 | 1995-05-02 | Hitachi Ltd | 固体撮像装置 |
JPH10268261A (ja) * | 1997-03-27 | 1998-10-09 | Toshiba Corp | 液晶表示装置およびその駆動方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2018087960A (ja) * | 2016-08-17 | 2018-06-07 | 株式会社半導体エネルギー研究所 | 表示方法、表示装置、表示モジュールおよび電子機器 |
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JP2022037073A (ja) * | 2016-08-17 | 2022-03-08 | 株式会社半導体エネルギー研究所 | 表示方法 |
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US20170223307A1 (en) | 2017-08-03 |
JP6476403B2 (ja) | 2019-03-06 |
JPWO2016051680A1 (ja) | 2017-07-06 |
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