GB201118684D0 - Adaptive luminance sharing for private display mode - Google Patents

Adaptive luminance sharing for private display mode

Info

Publication number
GB201118684D0
GB201118684D0 GB201118684A GB201118684A GB201118684D0 GB 201118684 D0 GB201118684 D0 GB 201118684D0 GB 201118684 A GB201118684 A GB 201118684A GB 201118684 A GB201118684 A GB 201118684A GB 201118684 D0 GB201118684 D0 GB 201118684D0
Authority
GB
United Kingdom
Prior art keywords
pixels
image
group
luminance
display panel
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.)
Withdrawn
Application number
GB201118684A
Other versions
GB2496114A (en
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to GB201118684A priority Critical patent/GB2496114A/en
Publication of GB201118684D0 publication Critical patent/GB201118684D0/en
Priority to CN201280041169.0A priority patent/CN103765499B/en
Priority to JP2014509965A priority patent/JP5756883B2/en
Priority to PCT/JP2012/006863 priority patent/WO2013061599A1/en
Priority to TW101139521A priority patent/TWI478141B/en
Publication of GB2496114A publication Critical patent/GB2496114A/en
Withdrawn legal-status Critical Current

Links

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
    • G09G3/001—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
    • G09G3/003—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 produce spatial visual effects
    • 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
    • G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
    • 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
    • G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or 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
    • G09G2358/00—Arrangements for display data security
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

A method of processing image data for an image display panel comprises, in a first mode: determining signal voltages to be applied to pixels of the image display panel from received image data constituting an image for display on the image display panel and from a secondary data value for the pixel thereby to generate luminance variations perceivable at a first viewing position 5 but substantially not perceivable at a second viewing position 3. The signal voltages to be applied to pixels in a group of pixels are determined such that the overall luminance of the pixels in the group is dependent on (for example, proportional to) the overall luminance specified for the pixels in the group by the image data. The number of pixels in a group is locally variable and is selected according to the image data and/or the secondary data values for pixels in a region of the image where the group is to be defined. The invention makes it possible to specify luminance redistribution over an increased pixel group size in local regions in which the main image content is relatively uniform, with no high spatial resolution image features, while specifying luminance redistribution over a reduced pixel group size for main image regions with sharp edges and other high resolution features.
GB201118684A 2011-10-28 2011-10-28 Adaptive luminance sharing for implementing private display mode Withdrawn GB2496114A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB201118684A GB2496114A (en) 2011-10-28 2011-10-28 Adaptive luminance sharing for implementing private display mode
CN201280041169.0A CN103765499B (en) 2011-10-28 2012-10-25 Method of processing image data for image display panel
JP2014509965A JP5756883B2 (en) 2011-10-28 2012-10-25 Image data processing method in image display panel
PCT/JP2012/006863 WO2013061599A1 (en) 2011-10-28 2012-10-25 A method of processing image data for an image display panel
TW101139521A TWI478141B (en) 2011-10-28 2012-10-25 A method of processing image data for an image display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201118684A GB2496114A (en) 2011-10-28 2011-10-28 Adaptive luminance sharing for implementing private display mode

Publications (2)

Publication Number Publication Date
GB201118684D0 true GB201118684D0 (en) 2011-12-14
GB2496114A GB2496114A (en) 2013-05-08

Family

ID=45375509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201118684A Withdrawn GB2496114A (en) 2011-10-28 2011-10-28 Adaptive luminance sharing for implementing private display mode

Country Status (5)

Country Link
JP (1) JP5756883B2 (en)
CN (1) CN103765499B (en)
GB (1) GB2496114A (en)
TW (1) TWI478141B (en)
WO (1) WO2013061599A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2496113A (en) * 2011-10-28 2013-05-08 Sharp Kk Multiple view window multi-primary display
US9402073B2 (en) * 2013-08-08 2016-07-26 Sharp Kabushiki Kaisha Image processing for privacy and wide-view using error diffusion
GB2537822A (en) * 2015-04-21 2016-11-02 Sharp Kk Liquid crystal display device and a method of driving thereof
US10152812B2 (en) * 2015-10-23 2018-12-11 Sharp Kabushiki Kaisha Odd-even veil view for FFS
CN113284060B (en) * 2021-05-17 2024-04-05 大连海事大学 Underwater image enhancement method based on wavelength attenuation identification
CN116648102B (en) * 2023-06-20 2024-04-19 惠科股份有限公司 Display panel, display driving method and display device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100836986B1 (en) * 2003-03-31 2008-06-10 샤프 가부시키가이샤 Image processing method and liquid crystal display device using the same
US7965268B2 (en) * 2005-07-08 2011-06-21 Sharp Kabushiki Kaisha Display device and liquid crystal display panel
TWI351668B (en) * 2006-10-24 2011-11-01 Chimei Innolux Corp Display method for display on a display device
GB2445982A (en) * 2007-01-24 2008-07-30 Sharp Kk Image data processing method and apparatus for a multiview display device
JP4834893B2 (en) * 2007-09-26 2011-12-14 奇美電子股▲ふん▼有限公司 Liquid crystal display
US8194016B2 (en) * 2007-09-26 2012-06-05 Chimei Innolux Corporation Liquid crystal display with peep-preventing function
CN101878501B (en) * 2007-11-29 2013-07-31 皇家飞利浦电子股份有限公司 Method and device for providing privacy on a display
GB2457106A (en) * 2008-03-04 2009-08-05 Sharp Kk LCD device with luminance variations perceivable only by off-axis viewers
GB2464521A (en) * 2008-10-20 2010-04-21 Sharp Kk Processing image data for multiple view displays
GB2473615A (en) * 2009-09-16 2011-03-23 Sharp Kk Display privacy image processing method with main image compression depending on off-axis luminance
GB2476027A (en) * 2009-09-16 2011-06-15 Sharp Kk Display privacy image processing method to emphasise features of a secondary image
GB2473614A (en) * 2009-09-16 2011-03-23 Sharp Kk Private display with main and side images and axis-dependent luminance control
JP5784270B2 (en) * 2009-11-12 2015-09-24 シャープ株式会社 Display control device, display device, and electronic device
US8368727B2 (en) * 2010-01-18 2013-02-05 Sharp Kabushiki Kaisha Angular dependent pixels for trick view
US8629821B2 (en) * 2011-09-12 2014-01-14 Sharp Kabushiki Kaisha Display device with faster changing side image

Also Published As

Publication number Publication date
JP5756883B2 (en) 2015-07-29
TWI478141B (en) 2015-03-21
CN103765499B (en) 2015-02-18
TW201327541A (en) 2013-07-01
GB2496114A (en) 2013-05-08
WO2013061599A1 (en) 2013-05-02
JP2014525595A (en) 2014-09-29
CN103765499A (en) 2014-04-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)