WO2015103717A1 - Appareil d'équilibrage des blancs pour écran - Google Patents

Appareil d'équilibrage des blancs pour écran Download PDF

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Publication number
WO2015103717A1
WO2015103717A1 PCT/CN2014/000026 CN2014000026W WO2015103717A1 WO 2015103717 A1 WO2015103717 A1 WO 2015103717A1 CN 2014000026 W CN2014000026 W CN 2014000026W WO 2015103717 A1 WO2015103717 A1 WO 2015103717A1
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WO
WIPO (PCT)
Prior art keywords
white balance
color temperature
computer
display
camera
Prior art date
Application number
PCT/CN2014/000026
Other languages
English (en)
Chinese (zh)
Inventor
吴福吉
Original Assignee
吴福吉
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 吴福吉 filed Critical 吴福吉
Priority to PCT/CN2014/000026 priority Critical patent/WO2015103717A1/fr
Publication of WO2015103717A1 publication Critical patent/WO2015103717A1/fr

Links

Classifications

    • 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
    • H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
    • 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
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • 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
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • 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
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

Definitions

  • This invention relates to a white balance device for a display, and more particularly to a white or gray display on a television set, a computer display, a tablet computer, a camera, a video camera, a projector, and a mobile phone display.
  • the white balance device consisting of a light-transmissive sheet and a color temperature sensing component can directly obtain the ambient color temperature value of the external light, and is provided by a main processor (CPU) on a television, a computer monitor, a tablet computer, a camera, a video camera, and a mobile phone.
  • CPU main processor
  • the obtained ambient color temperature value is subjected to white balance calculation processing, thereby obtaining an accurate white balance value on the spot, automatically adjusting the color temperature of the display or displaying the on-site accurate color temperature value in real time for manually adjusting the display color temperature to conform to the live real-time color temperature, and the eye can be A white balance device design that sees the monitor producing the correct color of the picture or movie. Background technique
  • the display has a receiving color temperature value and can manually or automatically adjust the color temperature value of the display according to the external signal value to conform to the use of the field color temperature value, and the human eye has an automatic color temperature adjustment function, and if the display cannot automatically adjust its own color temperature value, For the human eye vision, it sees the incorrect display color. The eye sense produces visual differences and the display color is strange. The average person will misunderstand that the display color of each appliance's display is incorrect. Misunderstanding the quality of the brand's electrical display screen.
  • the display is based on a fixed color temperature value, for example, 6500K as the factory default
  • the color temperature value of the light source of the field When the color temperature value of the light source of the field is projected to the display, it will affect the color temperature value of the display or increase or decrease the color temperature value of the screen surface, and the intraocular pressure of the sensitive color sensation of the human eye changes, causing the display color to be incorrect.
  • the color of the display is extremely difficult for the average person to adjust, and the indoor color temperature often changes in many cases due to different mixed light sources indoors and outdoors. Coloring work is more difficult and almost infeasible. When you look at the display in the dark, you can see the correct color that the display can display without being affected by the ambient light source.
  • the invention can display the color temperature value of the scene in the window, and then manually adjust the color temperature of the display screen or the automatic control circuit to adjust the color temperature of the display screen.
  • the display has the characteristics of receiving the color temperature value and manually adjusting the color temperature value in real time. Summary of the invention
  • the invention mainly relates to a white balance device comprising a white or gray transparent sheet and a color temperature sensing component on a display of a television set, a computer display, a tablet computer, a camera, a camera, a projector and a mobile phone, by external light passing through the
  • the white or gray translucent sheet produces uniform neutral light that is projected onto the color temperature sensing component, and the color temperature sensing component transmits the signal of the sensed neutral light directly to the television, computer monitor, tablet computer, camera, camera, and mobile phone.
  • Main processor main processor
  • the main object of the present invention is to generate uniform neutral light to the color temperature sensing component by external light passing through the white or gray transparent sheet, and the color temperature sensing component transmits the signal of the induced neutral light directly to the television.
  • the main processor (CPU) on the machine, computer monitor, tablet computer, camera, camera, projector and mobile phone performs white balance calculation on the obtained ambient color temperature value, thereby obtaining accurate white balance value on site, and automatically adjusting the display.
  • the color temperature in order to match the real-time color temperature of the live environment, and let the display show the correct color of the picture or movie.
  • the second object of the present invention is mainly to generate uniform neutral light through the white or gray transparent sheet to be projected onto the color temperature sensing component, and the color temperature sensing component directly transmits the signal of the induced neutral light.
  • the main processor (CPU) on the TV, computer monitor, tablet computer, camera, camera, projector, and mobile phone performs white balance calculation on the obtained color temperature value, thereby obtaining an accurate white balance value of the field environment.
  • On the window adjust the color temperature of the display according to the white balance value displayed to match the live color temperature of the scene, and let the display display the correct color of the picture or movie.
  • FIG. 1 is a perspective view showing a white balance device provided on a television set according to an embodiment of the present invention
  • FIG. 2 is a partial cross-sectional view showing a white balance device on a television set according to an embodiment of the present invention
  • FIG. 2a is an embodiment of the present invention
  • FIG. 3 is a perspective view showing a white balance device provided on a computer display according to an embodiment of the present invention
  • FIG. 4 is a partial cross-sectional view showing a white balance device provided on a computer display according to an embodiment of the present invention
  • FIG. 5 is a perspective view showing a white balance device provided on a computer main body according to an embodiment of the present invention
  • FIG. 6 is a partial cross-sectional view showing a white balance device provided on a computer main body according to an embodiment of the present invention
  • Figure 6a is a perspective view of a white balance device provided on a keyboard and a mouse according to an embodiment of the present invention
  • Figure 7 is an exploded perspective view showing the use of a separate white balance device for plugging in with a host computer according to an embodiment of the present invention
  • Figure 8 is a perspective view showing a white balance device provided on a notebook computer according to an embodiment of the present invention
  • Figure 9 is a partial cross-sectional view showing a white balance device provided on a notebook computer according to an embodiment of the present invention
  • FIG. 9a is a perspective view of a white balance device provided on a tablet computer according to an embodiment of the present invention
  • Figure 10 is a perspective view of a white balance device disposed in front of a mobile phone according to an embodiment of the present invention
  • Figure 11 is a perspective view of an embodiment of the present invention
  • a perspective view of a white balance device is provided on the back of the mobile phone
  • FIG. 12 is a diagram showing a wireless receiving device for wirelessly receiving a white balance value transmitted by a mobile phone in a television set, a computer display, a computer mainframe, and a notebook computer according to an embodiment of the present invention
  • a schematic diagram of adjusting the white balance
  • FIG. 13 is a schematic diagram of wirelessly transmitting white balance values to a television, a computer display, a computer mainframe, and a notebook computer in an independent white balance device of a wireless circuit and a battery according to an embodiment of the present invention
  • Figure 14 is a perspective view showing an embodiment in which a white balance device is provided on a projector according to an embodiment of the present invention
  • Figure 15 is a partial cross-sectional view showing an embodiment in which a white balance device is provided on a projector according to an embodiment of the present invention.
  • the present invention relates to a white balance device for a display, and more particularly to a device such as a television set (1 ), a computer display (3), and a computer host ( 4), white or gray translucent sheet (2) and color temperature sensing component on the display of laptop (5), tablet (8), camera, camcorder, video recorder, video monitor, network camera and mobile phone (6) ( 21)
  • the white balance device is configured to generate uniform neutral light through the white or gray transparent sheet (2) to be projected onto the color temperature sensing component (21), and the color temperature sensing component (21) will sense The signals of the neutral light are transmitted directly to the TV ( 1 ), computer monitor ( 3 ), computer main unit (4), laptop (5), tablet computer (8), camera, camera and mobile phone (6).
  • the main processor (CPU) (11) (31) (41) (51) (61) (81) performs white balance calculation on the obtained color temperature value, thereby obtaining an accurate white balance value of the field environment, and automatically adjusting Display color temperature, color temperature to meet the real-time environment of the scene, and let the display shows the correct color pictures or videos.
  • the color temperature value obtained by the white balance device can be white balanced, and the accurate white balance value can be displayed on the television (1), the computer display (3), the computer host (4), On the display window on the laptop (5), tablet (8), camera, camera and mobile phone (6), adjust the color temperature of the display according to the white balance value displayed to match the real-time color temperature of the scene, and let the display display
  • the present invention is provided with a white or gray on the remote control (43) or the mini network audio-visual computer (44) or the general television stick used in the television (1) or various audio-visual entertainment audio-visual equipment.
  • the white balance device composed of the light transmissive sheet (2) and the color temperature sensing component (21) performs white balance calculation processing by the color balance value obtained by the white balance device inducing uniform neutral light, thereby obtaining an accurate white balance value of the field environment, and then Wired or Wirelessly transmitted to the main processor (CPU) set on the TV (1), computer monitor (3), computer main unit (4), laptop (5), mini network video computer (44) or audio-visual entertainment audio-visual equipment (11) (31) (41) (51) ( 441 )
  • the obtained color temperature value is subjected to white balance calculation processing for automatically adjusting the color temperature of its display to match the real-time color temperature of the scene (as shown in Fig. 2a).
  • a white balance device composed of a white or gray transparent sheet (2) and a color temperature sensing component (21) is provided on the keyboard (45) or the mouse (46), and the white balance value obtained by the white balance device is accurate in the field environment. , then wired or wirelessly transmitted to the host computer (4) wireless reception, or television
  • FIG. 7 is an exploded perspective view showing the use of a separate white balance device for plugging in a computer main body (4) according to an embodiment of the present invention, wherein the independent white balance device includes a casing.
  • the plug (221) provided on the outer casing (22) is plugged into the computer host (4) or the socket (42) provided on the television, the computer display, the notebook computer, the tablet computer, the camera, the camera, the projector and the mobile phone.
  • the ambient light passes through the white or gray transparent sheet ( 2 ) to generate uniform neutral light and is projected onto the color temperature sensing component (21 ), and the color temperature sensing component (21) then senses the neutral light.
  • the signal is directly transmitted to the main processor (CPU) (41) on the host computer (4) to perform white balance calculation on the obtained color temperature value, thereby obtaining an accurate white balance value of the field environment, and automatically adjusting the display, that is, the computer display.
  • Color temperature to match the real-time color temperature on site.
  • FIG. 12 is a diagram showing a wireless receiving circuit (12) (42) (52) for wirelessly receiving a television (1), a computer mainframe (4), and a notebook computer (5) according to an embodiment of the present invention.
  • the white balance value transmitted by the machine (6) automatically adjusts the white balance. It is a white balance device with a white or gray transparent sheet (2) and a color temperature sensing component (21) provided by the mobile phone (6).
  • the color temperature of the light is detected, and the measured white balance value is transmitted by wireless transmission or wired transmission to the television (1) with the wireless receiving circuit (12) (42) (52), the host computer (4) or a notebook computer (5), wherein the television set (1), the computer main unit (4), and the notebook computer (5) are capable of using a wireless network card or a plug-in wireless connector to receive a white balance value transmitted by the mobile phone (6).
  • (11) (41) (51) Perform white balance calculation on the obtained color temperature value, and then obtain accurate white balance value of the scene environment, and automatically adjust its TV (1), computer monitor (3) and notebook computer (5) The color temperature of the display to match the live real-time color temperature, wherein the TV (1), computer host (4), laptop (5) is a wireless network card or a plug-in wireless connector, wherein the wireless receiving circuit (12) (42) (52) can also be installed in a computer monitor (3), tablet computer, camera or video camera. It can also receive the white balance value transmitted by the mobile phone (6) wirelessly or by wire.
  • CMOS complementary metal-oxide-semiconductor
  • CMOS Complementary Metal Oxide Semiconductor, Complementary Metal Oxide Semiconductor
  • receives and calculates the obtained ambient color temperature value and transmits it to the wireless receiving circuit via wireless transmission or wired transmission (12) (42) (52) a television (1), a tablet computer, a mobile phone (6), a computer mainframe (4) or a laptop (5)
  • the color temperature of the display is automatically adjusted to match the live color temperature of the scene, or the field color temperature value is displayed on the display of the TV (1), mobile phone (6), tablet computer, laptop (5), and personal computer.
  • FIG. 13 is a diagram showing an independent white balance device having a wireless circuit (23) and a battery (24) for wirelessly transmitting white balance values to a television set (1), a host computer.
  • the independent white balance device comprises a casing (22), a white or gray translucent sheet (2) mounted in front of the casing (22), and a package a color temperature sensing component (21) disposed behind the white or gray light transmissive sheet (2), and in the outer casing (22), is provided with a wireless circuit (23) and a battery (24) by the independent white balance device
  • a white or gray transparent sheet (2) and a color temperature sensing component (21) are provided, and the color temperature of the scene light is detected first, and the measured white balance value is transmitted to the wireless receiving circuit (12) by wireless transmission.
  • (11) (41) (51) Perform white balance calculation on the obtained color temperature value, and then obtain accurate white balance value of the scene environment, and automatically adjust its TV (1), computer monitor (3) and notebook computer (5) The color temperature of the display to match the real-time color temperature of the site environment.
  • FIG. 14 and FIG. 15 are respectively a perspective view and a cross-sectional view of an embodiment of the present invention for providing a white balance device on a projector (7), which is provided with white on the projector (7).
  • a white balance device comprising a gray light transmissive sheet (2) and a color temperature sensing component (21), wherein external light is transmitted through the white or gray light transmitting sheet (2) to generate uniform neutral light and projected onto the color temperature sensing component (21)
  • the color temperature sensing component (21) then directly transmits the signal of the sensed neutral light to the main processor (CPU) (71) on the projector (7) to perform white balance processing on the obtained color temperature value. , and then get the accurate white balance value of the site environment, automatically adjust the color temperature of its projection to meet the site environment. Real-time color temperature, and let the display show the correct color of the picture or movie.
  • the present invention has the function of automatically or manually adjusting the color temperature of the display and transmitting and receiving the obtained accurate white balance value by the independent white balance device by wire or wirelessly.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

L'invention concerne un appareil d'équilibrage des blancs pour un écran, et en particulier un appareil d'équilibrage des blancs formé par installation d'une plaque transmettant la lumière blanche ou grise et d'un composant détecteur de température de couleur sur des écrans d'un téléviseur, d'un ordinateur, d'un ordinateur tablette, d'un appareil photo, d'une caméra vidéo, d'un projecteur et d'un téléphone mobile, effectuant des opérations consistant : à générer un rayon de lumière neutre uniforme et le projeter sur le composant détecteur de température de couleur par transmission d'un rayon de lumière extérieur à travers la plaque transmettant la lumière blanche ou grise, et à envoyer ensuite directement, par le composant détecteur de température de couleur, un signal d'un rayon de lumière neutre uniforme détecté à des unités centrales (CPU) du téléviseur, de l'écran de l'ordinateur, de l'ordinateur tablette, de l'appareil photo, de la caméra vidéo et du téléphone mobile pour effectuer un traitement d'équilibrage des blancs sur une valeur de température de couleur ambiante obtenue, de manière à obtenir une valeur numérique d'équilibrage des blancs précise sur site; et régler automatiquement ou manuellement une température de couleur de l'écran en temps réel de manière qu'elle soit conforme à une température de couleur ambiante sur site en temps réel, ce qui permet à l'œil humain de voir une couleur précise d'une image ou d'un film généré par l'écran.
PCT/CN2014/000026 2014-01-09 2014-01-09 Appareil d'équilibrage des blancs pour écran WO2015103717A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000026 WO2015103717A1 (fr) 2014-01-09 2014-01-09 Appareil d'équilibrage des blancs pour écran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000026 WO2015103717A1 (fr) 2014-01-09 2014-01-09 Appareil d'équilibrage des blancs pour écran

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WO2015103717A1 true WO2015103717A1 (fr) 2015-07-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106155619A (zh) * 2016-06-28 2016-11-23 广东欧珀移动通信有限公司 控制方法、控制装置及电子装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1241098A (zh) * 1998-06-29 2000-01-12 Lg电子株式会社 自动调整显示器图像状态的装置和方法
CN101282490A (zh) * 2007-04-03 2008-10-08 索尼株式会社 成像装置和成像方法
CN101516035A (zh) * 2008-02-22 2009-08-26 晨星半导体股份有限公司 多媒体系统及其遥控器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1241098A (zh) * 1998-06-29 2000-01-12 Lg电子株式会社 自动调整显示器图像状态的装置和方法
CN101282490A (zh) * 2007-04-03 2008-10-08 索尼株式会社 成像装置和成像方法
CN101516035A (zh) * 2008-02-22 2009-08-26 晨星半导体股份有限公司 多媒体系统及其遥控器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106155619A (zh) * 2016-06-28 2016-11-23 广东欧珀移动通信有限公司 控制方法、控制装置及电子装置
CN106155619B (zh) * 2016-06-28 2020-04-10 Oppo广东移动通信有限公司 控制方法、控制装置及电子装置

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