JP7528427B2 - 液晶プロジェクター - Google Patents

液晶プロジェクター Download PDF

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Publication number
JP7528427B2
JP7528427B2 JP2019192573A JP2019192573A JP7528427B2 JP 7528427 B2 JP7528427 B2 JP 7528427B2 JP 2019192573 A JP2019192573 A JP 2019192573A JP 2019192573 A JP2019192573 A JP 2019192573A JP 7528427 B2 JP7528427 B2 JP 7528427B2
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JP
Japan
Prior art keywords
liquid crystal
video data
data
crystal panel
color
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
Application number
JP2019192573A
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English (en)
Japanese (ja)
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JP2021067786A5 (enExample
JP2021067786A (ja
Inventor
透 青木
大悟 外園
和久 水迫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2019192573A priority Critical patent/JP7528427B2/ja
Priority to US17/075,699 priority patent/US11295683B2/en
Publication of JP2021067786A publication Critical patent/JP2021067786A/ja
Publication of JP2021067786A5 publication Critical patent/JP2021067786A5/ja
Application granted granted Critical
Publication of JP7528427B2 publication Critical patent/JP7528427B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
    • 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
    • G09G3/007—Use of pixel shift techniques, e.g. by mechanical shift of the physical pixels or by optical shift of the perceived pixels
    • 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
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3674—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
    • G09G3/34—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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • 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
    • G09G2310/0235—Field-sequential colour display
    • 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
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • 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
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
JP2019192573A 2019-10-23 2019-10-23 液晶プロジェクター Active JP7528427B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019192573A JP7528427B2 (ja) 2019-10-23 2019-10-23 液晶プロジェクター
US17/075,699 US11295683B2 (en) 2019-10-23 2020-10-21 Liquid crystal projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019192573A JP7528427B2 (ja) 2019-10-23 2019-10-23 液晶プロジェクター

Publications (3)

Publication Number Publication Date
JP2021067786A JP2021067786A (ja) 2021-04-30
JP2021067786A5 JP2021067786A5 (enExample) 2022-10-06
JP7528427B2 true JP7528427B2 (ja) 2024-08-06

Family

ID=75586026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019192573A Active JP7528427B2 (ja) 2019-10-23 2019-10-23 液晶プロジェクター

Country Status (2)

Country Link
US (1) US11295683B2 (enExample)
JP (1) JP7528427B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7683295B2 (ja) 2021-04-22 2025-05-27 セイコーエプソン株式会社 液晶プロジェクター
JP7694194B2 (ja) * 2021-06-25 2025-06-18 セイコーエプソン株式会社 プロジェクター、及びプロジェクターの制御方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005234104A (ja) 2004-02-18 2005-09-02 Nec Corp 液晶パネルの駆動装置及び駆動方法並びにこれを用いた液晶プロジェクタ
JP2008039868A (ja) 2006-08-02 2008-02-21 Victor Co Of Japan Ltd 液晶表示装置
WO2010109633A1 (ja) 2009-03-26 2010-09-30 Ｎｅｃディスプレイソリューションズ株式会社 色むら補正装置及び色むら補正方法
JP2011175201A (ja) 2010-02-25 2011-09-08 Sanyo Electric Co Ltd 投写型映像表示装置
JP2013134384A (ja) 2011-12-27 2013-07-08 Seiko Epson Corp プロジェクター、及び、プロジェクターの制御方法
JP2017003926A (ja) 2015-06-15 2017-01-05 セイコーエプソン株式会社 電気光学装置及びその制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2813041B2 (ja) 1990-07-02 1998-10-22 日本電信電話株式会社 投影表示装置
JP3167351B2 (ja) 1990-09-03 2001-05-21 株式会社東芝 液晶表示装置
JP2616652B2 (ja) 1993-02-25 1997-06-04 カシオ計算機株式会社 液晶駆動方法及び液晶表示装置
JP2003029713A (ja) 2001-07-06 2003-01-31 Internatl Business Mach Corp <Ibm> 液晶表示装置、液晶ディスプレイ駆動回路、液晶ディスプレイの駆動方法、およびプログラム
JP2005141190A (ja) 2003-10-16 2005-06-02 Hitachi Ltd 表示装置
US20050083353A1 (en) 2003-10-16 2005-04-21 Junichi Maruyama Display device
JP5569084B2 (ja) * 2010-03-25 2014-08-13 セイコーエプソン株式会社 画像表示装置および画像表示方法
JP5560962B2 (ja) 2010-06-30 2014-07-30 ソニー株式会社 液晶表示装置
JP5312698B2 (ja) * 2011-02-15 2013-10-09 三菱電機株式会社 画像処理装置、画像表示装置、画像処理方法、および画像処理プログラム
JP2017062416A (ja) * 2015-09-25 2017-03-30 キヤノン株式会社 映像表示装置、情報処理方法及びプログラム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005234104A (ja) 2004-02-18 2005-09-02 Nec Corp 液晶パネルの駆動装置及び駆動方法並びにこれを用いた液晶プロジェクタ
JP2008039868A (ja) 2006-08-02 2008-02-21 Victor Co Of Japan Ltd 液晶表示装置
WO2010109633A1 (ja) 2009-03-26 2010-09-30 Ｎｅｃディスプレイソリューションズ株式会社 色むら補正装置及び色むら補正方法
JP2011175201A (ja) 2010-02-25 2011-09-08 Sanyo Electric Co Ltd 投写型映像表示装置
JP2013134384A (ja) 2011-12-27 2013-07-08 Seiko Epson Corp プロジェクター、及び、プロジェクターの制御方法
JP2017003926A (ja) 2015-06-15 2017-01-05 セイコーエプソン株式会社 電気光学装置及びその制御方法

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US20210125571A1 (en) 2021-04-29
US11295683B2 (en) 2022-04-05
JP2021067786A (ja) 2021-04-30

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