WO2012055683A1 - Dispositif pour commander un affichage comprenant une représentation d'images différentes qui est fonction de l'angle d'observation et affichage pourvu d'un tel dispositif - Google Patents
Dispositif pour commander un affichage comprenant une représentation d'images différentes qui est fonction de l'angle d'observation et affichage pourvu d'un tel dispositif Download PDFInfo
- Publication number
- WO2012055683A1 WO2012055683A1 PCT/EP2011/067380 EP2011067380W WO2012055683A1 WO 2012055683 A1 WO2012055683 A1 WO 2012055683A1 EP 2011067380 W EP2011067380 W EP 2011067380W WO 2012055683 A1 WO2012055683 A1 WO 2012055683A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- correction
- display
- temperature
- brightness
- pixel
- Prior art date
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
- G09G3/20—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
- G09G3/001—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control 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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic 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
- G09G2320/04—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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N2013/40—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene
- H04N2013/403—Privacy aspects, i.e. devices showing different images to different viewers, the images not being viewpoints of the same scene the images being monoscopic
Definitions
- DualView displays in the automotive and automotive supply industry are known.
- a DualView display can be one
- a correction can also affect subpixels, called subpixels of a
- Correction tables regularly hold a correction value for each brightness value of the pixel to be corrected with respect to a brightness value of a neighboring subpixel.
- Such correction tables are usually in hardware, FPGA (Field
- ASIC Application Specific Integrated Circuit
- the invention is based on the object to provide a device for driving a display, in which an improved compensation of
- the invention is based on a device for controlling a display, which can provide a viewer with two different image contents from two different viewing directions and has line-and column-shaped pixels, comprising a computer unit, a drive unit for the display and a correction device with a memory unit in the storage unit
- Correction means for a brightness correction of a pixel in dependence on the brightness of an adjacent pixel are formed.
- the essence of the invention lies in the fact that temperature detection means are provided for detecting the temperature in the region of the display and relaying means for transmitting a temperature value to the correction device, and in that the
- Correction device is designed for a brightness correction of a pixel as a function of the temperature in the region of the display.
- the invention makes use of the knowledge that the crosstalk from pixel to pixel
- correction values for a brightness correction of a pixel are stored in a correction table.
- parts of the correction device can be bypassed or, for example, by another, modified one Replace correction table, especially partial correction table. This is already effective, since it has been recognized in the invention that only a part of correction data has to be adapted via the temperature.
- Memory is required, but an increase in memory requirements, if any, only a part of the original storage requirements. This scarce hardware resources are used sparingly in a control device such as space.
- the correction device is designed to determine a correction value by means of a correction table, in particular in the sense of an assignment table or lookup table, depending on a measured temperature of the temperature detection means and on a brightness value of a pixel to be corrected.
- a correction table in particular in the sense of an assignment table or lookup table, depending on a measured temperature of the temperature detection means and on a brightness value of a pixel to be corrected.
- Brightness values can not be corrected. Such a solution can in principle manage without additional expenditure with regard to a storage space size.
- An improvement of the image quality can be achieved if all brightness values are corrected in principle.
- the correction device and / or the input device can be realized with, for example, a field-programmable gate component (FPGA).
- FPGA field-programmable gate component
- the temperature of the temperature detecting means via a
- Interface e.g. B. transmitted an SPI interface to the FPGA.
- a temperature sensor on a circuit board together with the FPGA and / or the computer unit, for. B. is a microcontroller.
- the correction device for correcting a brightness value of a pixel to the brightness value of this pixel to a row address of a correction table and the brightness value of an adjacent pixel to a column address or vice versa and reads a correction value for a control at the addressed position.
- Conceivable are several correction tables for several temperature thresholds and / or different crosstalk causes.
- FIG. 1 shows a schematic block diagram of a
- Figure 2 is a flow chart for a crosstalk correction
- Figures 3 and 4 show two further embodiments of a
- the exemplary embodiment of a device for driving a display 1 according to FIG. 1 comprises a microcontroller 2, an FPGA 3 and a temperature sensor 4.
- the temperature sensor 4 is connected to the microcontroller 2.
- the FPGA module 3 contains a circuit block 5 for the correction of image data and a circuit block 6 for controlling a DualView display 8.
- the microcontroller 2 is connected via an interface 8 to the FPGA 3, via which the temperature is transmitted to the FPGA and there is evaluated by the correction block 5.
- a correction of supplied video data (box 17) can proceed in accordance with the flowchart according to FIG.
- a correction takes place in a correction table 11 according to branch y. If the temperature is below the predetermined threshold temperature, branching takes place in direction n. Now a decision is made on the basis of the brightness value Y (see
- the correction can run by a
- the brightness value Y1 of the pixel can be applied to a row address z in the correction table 1 1 and the brightness value Y2 of the neighboring pixel to a column address s, after which the correction value is read out at an addressed position and displayed in the display for driving the pixel which has been corrected 7 is used.
- a correction of the brightness value is not made when the temperature of the display is below a predetermined threshold Thr and also the brightness value Y falls below a predetermined value. Therefore, no correction data is required for such combinations, as a result of which the memory space for the correction table 11 can remain small.
- Threshold temperature Thr and at a brightness value below a predetermined value via an additional table 12 yet a correction takes place (see Figure 3).
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
L'invention concerne un dispositif (1) pour commander un affichage (7) qui peut délivrer à un observateur deux contenus d'image différents provenant de deux directions d'observation différentes et a des points d'image disposés sous forme de lignes et de colonnes, comprenant une unité de calcul (7), une unité de commande (3, 6) pour l'affichage ainsi qu'un dispositif de correction (5) comprenant une unité de mémoire, des moyens de correction pour une correction de luminosité d'un point d'image en fonction de la luminosité d'un point d'image voisin étant réalisés dans l'unité de mémoire. Ledit dispositif comporte des moyens de détection de température (4) destinés à détecter la température dans la région de l'affichage (7) et des moyens de transmission destinés à transmettre une valeur de température au dispositif de correction. Le dispositif de correction (5) est conçu pour corriger la luminosité d'un point d'image en fonction de la température dans la région de l'affichage (7).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11770080.7A EP2633511A1 (fr) | 2010-10-27 | 2011-10-05 | Dispositif pour commander un affichage comprenant une représentation d'images différentes qui est fonction de l'angle d'observation et affichage pourvu d'un tel dispositif |
CN201180062836.9A CN103443842B (zh) | 2010-10-27 | 2011-10-05 | 用于操控根据视角显示不同图像的显示器的装置和具有这样的装置的显示器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010043005A DE102010043005A1 (de) | 2010-10-27 | 2010-10-27 | Vorrichtung zur Ansteuerung einer Anzeige sowie Anzeige mit einer Vorrichtung zur Ansteuerung |
DE102010043005.6 | 2010-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012055683A1 true WO2012055683A1 (fr) | 2012-05-03 |
Family
ID=44801001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/067380 WO2012055683A1 (fr) | 2010-10-27 | 2011-10-05 | Dispositif pour commander un affichage comprenant une représentation d'images différentes qui est fonction de l'angle d'observation et affichage pourvu d'un tel dispositif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2633511A1 (fr) |
CN (1) | CN103443842B (fr) |
DE (1) | DE102010043005A1 (fr) |
WO (1) | WO2012055683A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180058048A (ko) * | 2016-11-23 | 2018-05-31 | 삼성전자주식회사 | 디스플레이 장치, 캘리브레이션 장치 및 그 제어 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090079680A1 (en) * | 2007-09-26 | 2009-03-26 | Epson Imaging Devices Corporation | Dual-view display device |
US20090167639A1 (en) * | 2008-01-02 | 2009-07-02 | 3M Innovative Properties Company | Methods of reducing perceived image crosstalk in a multiview display |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5739805A (en) * | 1994-12-15 | 1998-04-14 | David Sarnoff Research Center, Inc. | Matrix addressed LCD display having LCD age indication, and autocalibrated amplification driver, and a cascaded column driver with capacitor-DAC operating on split groups of data bits |
JP4530267B2 (ja) * | 2003-08-30 | 2010-08-25 | シャープ株式会社 | マルチプルビューディスプレイ |
CN100489954C (zh) * | 2004-10-20 | 2009-05-20 | 富士通天株式会社 | 显示装置 |
EP1804233A4 (fr) * | 2004-10-20 | 2009-05-27 | Fujitsu Ten Ltd | Dispositif d affichage |
KR100869673B1 (ko) * | 2004-11-30 | 2008-11-21 | 후지쓰 텐 가부시키가이샤 | 표시제어장치 및 표시장치 |
GB2422737A (en) * | 2005-01-26 | 2006-08-02 | Sharp Kk | Multiple-view display and display controller |
JP4549944B2 (ja) * | 2005-07-27 | 2010-09-22 | 三菱電機株式会社 | 画像処理回路 |
EP1929355B1 (fr) * | 2005-09-21 | 2013-11-06 | Koninklijke Philips N.V. | Dispositif d'affichage |
WO2007111007A1 (fr) * | 2006-03-27 | 2007-10-04 | Sharp Kabushiki Kaisha | Dispositif d'affichage à cristaux liquides |
US7821488B2 (en) * | 2007-03-16 | 2010-10-26 | Mstar Semiconductor, Inc. | Temperature-dependent overdrive circuit for LCD panel and method of implementing the same |
JP5320738B2 (ja) * | 2007-12-28 | 2013-10-23 | ソニー株式会社 | 発光制御システムおよび画像表示システム |
CN201465121U (zh) * | 2009-07-17 | 2010-05-12 | 俞天阳 | 防窥视计算机显示器 |
-
2010
- 2010-10-27 DE DE102010043005A patent/DE102010043005A1/de not_active Withdrawn
-
2011
- 2011-10-05 WO PCT/EP2011/067380 patent/WO2012055683A1/fr active Application Filing
- 2011-10-05 EP EP11770080.7A patent/EP2633511A1/fr not_active Withdrawn
- 2011-10-05 CN CN201180062836.9A patent/CN103443842B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090079680A1 (en) * | 2007-09-26 | 2009-03-26 | Epson Imaging Devices Corporation | Dual-view display device |
US20090167639A1 (en) * | 2008-01-02 | 2009-07-02 | 3M Innovative Properties Company | Methods of reducing perceived image crosstalk in a multiview display |
Also Published As
Publication number | Publication date |
---|---|
CN103443842B (zh) | 2016-10-12 |
EP2633511A1 (fr) | 2013-09-04 |
DE102010043005A1 (de) | 2012-05-03 |
CN103443842A (zh) | 2013-12-11 |
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