WO2022075962A1 - Bordures basées sur des caractéristiques d'éclairage - Google Patents

Bordures basées sur des caractéristiques d'éclairage Download PDF

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Publication number
WO2022075962A1
WO2022075962A1 PCT/US2020/054218 US2020054218W WO2022075962A1 WO 2022075962 A1 WO2022075962 A1 WO 2022075962A1 US 2020054218 W US2020054218 W US 2020054218W WO 2022075962 A1 WO2022075962 A1 WO 2022075962A1
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WO
WIPO (PCT)
Prior art keywords
border
screen
electronic device
characteristic
content
Prior art date
Application number
PCT/US2020/054218
Other languages
English (en)
Inventor
John W. Frederick
Anthony KAPLANIS
Alexander Morgan WILLIAMS
Syed S. Azam
Original Assignee
Hewlett-Packard Development Company, L.P.
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 Hewlett-Packard Development Company, L.P. filed Critical Hewlett-Packard Development Company, L.P.
Priority to PCT/US2020/054218 priority Critical patent/WO2022075962A1/fr
Publication of WO2022075962A1 publication Critical patent/WO2022075962A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • 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
    • G09G5/024—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 using colour registers, e.g. to control background, foreground, surface filling
    • 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
    • G09G5/14—Display of multiple viewports
    • 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
    • G09G2310/0232—Special driving of display border areas
    • 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
    • G09G2360/04—Display device controller operating with a plurality of display units
    • 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

  • Electronic devices may present visual information to a user.
  • an electronic device may be used to conduct various forms of video communication.
  • electronic devices may include cameras that can capture video of the user and a display to visually present the captured video. Users at different locations can initiate a video conference call where they can view other participants in the call, converse with the other participants, and share the contents of their screen with the other participants.
  • Such electronic devices may include mobile phones, tablets, laptop computers, and desktop computers, among others.
  • Fig. 1 is a block diagram of an electronic device for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Fig. 2 depicts a user and an electronic device for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Fig. 3 depicts an electronic device for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Fig. 4 depicts an electronic device for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • FIG. 5 is a flowchart of a method for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • FIG. 6 is a flowchart of a method for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Fig. 7 depicts a non-transitory machine-readable storage medium for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Electronic devices may present visual information to a user and may allow for users of the electronic devices to visually communicate with each other. For example, using cameras integrated in the electronic devices or coupled to the electronic devices, users can capture video data of themselves and send it, in real-time, to another user all while receiving real-time video data from another user. Thus, the electronic devices provide for real-time video and audio communication between multiple users.
  • real-time video communications provide effective and valuable communication mechanisms, some environmental conditions may impede or reduce the efficacy of such communications. For example, good lighting enhances the quality of the video capture of the electronic device camera. In many circumstances, poor lighting conditions may exist. For example, a user may be in a dark room, where the resulting video feed of the user is also dark. In this environment, the captured video of the user may be grainy and unclear and may impede effective communication.
  • an external light source When available, an external light source may be used to provide additional lighting.
  • external light sources are not always available, may make the video communication process more complex, and may add cost to a video communication system, for example.
  • the external light source is coupled to or integrated with the electronic device, the overall power consumption of the electronic device may be increased and battery life may be reduced.
  • external light sources may provide a fixed amount of additional light. If an external light source does provide a variable amount of additional light, it may be difficult to provide an amount of additional light to provide a desired illumination, but not so much as to prevent washing the image and/or video out.
  • the present specification describes systems, methods, and non-transitory machine-readable storage medium that address these and other issues.
  • the present specification uses a border of the screen to enhance the reflected light input into the camera.
  • a white or other colored border appears around the content of the screen to provide additional lighting. That is, the light from the border may be used to provide additional lighting when capturing video with a camera.
  • a controller adjusts the lighting as applications are opened and closed on the screen to maintain constant lighting characteristics.
  • the generation of a border may be implemented in other scenarios as well.
  • the border may offset the display of content on the screen to provide a more uniform coloration.
  • the contents of the screen may have a particular hue which may distracting or difficult to view.
  • the border portion may provide an offset to the particular hue to bring a white balance of the screen towards a neutral position.
  • the present specification describes an electronic device.
  • the electronic device may include a screen to visually present 1 ) content to a user and 2) a border to surround the content of the screen.
  • the electronic device may also include a sensor to determine a lighting characteristic while displaying the content.
  • the electronic device also includes a controller. The controller determines that a camera of the electronic device is active. Responsive to a determination that the camera is active, the controller determines, based on the lighting characteristic, a border characteristic for the border. The controller also causes the border to be displayed around the content on the screen.
  • the present specification also describes a method.
  • a controller determines that a camera of an electronic device is active. Responsive to such a determination, a lighting characteristic of a screen of an electronic device is detected while content is presented on the screen. A target lighting characteristic is determined and a border characteristic is selected for a border that is to be generated in an interior margin of a displayable area of the screen. The border characteristic is selected based on the lighting characteristic of the screen and the target lighting characteristic. The border is then caused to be generated in the interior margin of the displayable area of the screen.
  • the present specification also describes a non-transitory machine- readable storage medium encoded with instructions executable by a processor.
  • the non-transitory machine-readable storage medium includes instructions to, when executed by the processor, cause the processor to, detect that a camera of an electronic device is active.
  • the machine-readable storage medium also includes instructions to, when executed by the processor, cause the processor to, responsive to an indication that the camera of the electronic device is active, detect a lighting characteristic of a screen of an electronic device while presenting content and cause a border to be generated in an interior margin of a displayable area of the screen and surrounding the content on the screen. The border is generated based on the lighting characteristic of the screen.
  • Using such electronic devices, methods, and machine-readable storage mediums as described herein may, for example, 1 ) provide additional illumination during video or photographic capture operations; 2) offset and balance the overall display color on the electronic device; and 3) automatically compensate for adjustments to screen contents and/or ambient light.
  • the devices, methods, and machine-readable storage mediums disclosed herein may address other matters and deficiencies in a number of technical areas, for example.
  • screen refers to the displayable area of an electronic device and is not meant to include the bezel of the electronic device.
  • Lighting characteristic refers to a characteristic of the lighting environment during a capture operation. Lighting characteristics include the 1) display characteristics of the screen, such as the brightness and color of light emitted from a display screen and 2) ambient characteristics such as a quantity, brightness, and color of ambient light.
  • Fig. 1 is a block diagram of an electronic device (100) for causing a border to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • electronic devices (100) may be used to execute real-time video communication with a user of another electronic device.
  • ambient light conditions and the content of the screen may affect the quality of the video and/or image capture.
  • video capture may be blurry, granular, or otherwise compromised.
  • content such as a desktop application and/or a background
  • the illumination of the applications may reflect off the user. This reflected light may cast a color shadow across the user, which may be undesirable during video and/or image capture. For example, if a user is displaying an application that is primarily red, a red hue will reflect off the user and be captured by the camera, thus rendering a video of the user with a red hue.
  • the electronic device (100) of the present specification may be of a variety of types.
  • the electronic device (100) may be a mobile phone, a desktop computer, a laptop computer, a server, a tablet device, or a gaming system.
  • the electronic device (100) is a host device, which host device is an electronic device that may not present visual information. While particular reference is made to specific electronic devices (100), the principles described herein may be implemented in a variety of different kinds of electronic devices (100).
  • the electronic device (100) may include a screen (102) to visually present content to a user.
  • Such content may include documents, applications, videos, and/or images.
  • the screen (102) may be of a variety of types including a light-emitting diode (LED) screen, an organic LED (OLED) screen, and a liquid crystal display (LCD), among others.
  • the screen (102) also visually presents a border around the content of the screen. The border may be generated in an interior margin of a displayable area of the screen (102).
  • the screen (102) refers to the portion of a display device on which digital information is visually presented.
  • the screen (102) as defined herein does not include the bezel, stand, mount, or other component of the display device which does not visually present digital information.
  • the interior margin is defined as a region that includes the border of the displayable area (i.e. , near the bezel edge) and extends towards the center of the screen.
  • the border surrounds the content that is otherwise presented on the screen (102). That is, a screen (102) may include a displayable area where information can be visually presented. In the present system, upon generation of the border, the area of the screen (102) wherein visual elements are presented may be scaled down and a solid color border displayed around the visual elements.
  • the border may provide additional illumination and/or offsetting illumination to the screen (102) during video or image capture.
  • the border data may be generated by the controller (106).
  • the controller (106) may also scale content.
  • the electronic device (100) may include a sensor (104) to detect a lighting characteristic while displaying the content.
  • the lighting characteristics refer to characteristics of the light in the environment where video or image capture is to take place.
  • Lighting characteristics refer to display characteristics and ambient light characteristics.
  • one display characteristic may refer to the brightness of the screen. As the brightness of the screen increases, so does the amount of light that exits the display into the environment and may likely reflect off the user.
  • a display characteristic is the screen color. That is, a screen color may cast the user in a particular hue. As an example, if a screen has an average green color, a green hue may be cast over the user, which may distort the user’s appearance in the captured video or image. Another example of a display characteristic is the screen color temperature.
  • a light characteristic is the characteristics of ambient light in the environment where the video capture occurs. For example, a video capture of a user in an office with a small window may reduce the quality and resolution of any captured video by reducing the amount of light available to a camera processor to generate an image or video stream.
  • the sensor (104) may detect a lighting characteristic.
  • the sensor (104) may take many forms.
  • the sensor (104) may be a camera.
  • the camera may have a sensing chip that can measure the brightness, color, and/or color temperature across a capture region.
  • the sensor (104) may be an ambient light sensor that measures the ambient light in a space. Such an ambient light sensor may measure the brightness, color, and/or color temperature of ambient light.
  • the senor (104) includes a processor that determines the pixel values across the screen (102).
  • the processor may calculate the pixel values across the screen and combine them to determine an overall color, temperature, and/or brightness of the pixels.
  • the overall color, temperature, and/or brightness of the pixels may be an average of the respective values of the pixels that make up the screen (102).
  • a target value of may be set for a lighting characteristic of screen color temperature. Such a target value may be selected as it may not change a user’s appearance. As an example, this value may be 6500 Kelvin (K) and may be manually adjusted by the user if a different tone is desired.
  • K Kelvin
  • a color temperature for each pixel may be calculated to determined how far off each pixel color temperature is from the target value. This may be done for each pixel for the primary colors red, green, and blue and also for an overall brightness.
  • the processor may count up each pixel’s number, both positive and negative, off of the baseline and from that, a number is provided for each color. The processor may then adjust the border to offset that given number by dividing the offset number by the number of pixels available in the border portion.
  • the processor may be separate from the display device. That is, the processor may be a dedicated graphics processor of the electronic device (100).
  • the graphics processor is a circuit that manages the display of information on a screen (102). That is, the graphics processor generates the data that is passed to the screen (102) to create an image.
  • the processor i.e. , the graphics processor, is separate from the display device.
  • the electronic device (100) also includes a controller (106).
  • controller includes a processor and memory.
  • the processor includes the circuitry to retrieve executable code from the memory and execute the executable code.
  • the controller as described herein may include machine- readable storage medium, machine-readable storage medium and a processor, an application-specific integrated circuit (ASIC), a semiconductor-based microprocessor, a central processing unit (CPU), and a field-programmable gate array (FPGA), and/or other hardware device.
  • ASIC application-specific integrated circuit
  • CPU central processing unit
  • FPGA field-programmable gate array
  • the memory may include a machine-readable storage medium, which machine-readable storage medium may contain, or store machine-usable program code for use by or in connection with an instruction execution system, apparatus, or device.
  • the memory may take many forms including volatile and non-volatile memory.
  • the memory may include Random-Access Memory (RAM), Read-Only Memory (ROM), optical memory disks, and magnetic disks, among others.
  • the executable code may, when executed by the respective component, cause the component to implement at least the functionality described herein.
  • the controller (106) may include circuitry on the screen (102) to generate the border and content.
  • the controller (106) may determine when a camera of the electronic device is active. That is, in some examples, generation of the border may be responsive to an indication that a camera of the electronic device (100) is active. For example, as described above, ambient lighting during a video conference call may impact the quality of any resulting video capture.
  • the controller (106) may generate the border to provide the additional illumination.
  • the controller (106) generates the border responsive to an indication that the camera of the electronic device (100) is pointed towards the user. That is, the controller (106) generates the border responsive to an indication that a camera facing towards the user and that the face of the user is within the frame of the user-facing camera.
  • the electronic device (100) may include cameras that point away from a user. In an example, the state of cameras that point away from a user do not trigger generation of the border.
  • the controller (106) determines, based on the lighting characteristic, a border characteristic for the border. That is, the border may be intended to provide additional illumination and/or offset the lighting characteristic. Accordingly, the border characteristic is selected to provide the additional illumination and/or offset the lighting characteristic of the screen (102).
  • a border characteristic that is determined may be the border brightness.
  • the border may be increased in brightness to offset the dim ambient light and provide additional lighting during video capture.
  • the border may be a solid color, such as white.
  • the border may be a combination of colors, or a pattern of colors to provide the desired additional illumination.
  • the border color may be selected.
  • the border color may be selected to offset an overall color of the content on the screen (102).
  • the sensor (104) may analyze the screen (102) contents to indicate a general green hue on the screen (102).
  • the controller (106) may determine a border color that is opposite green, i.e., red, to bring the overall color towards a more neutral, white color.
  • the border color temperature may be selected to offset a color temperature of the remaining portions of the screen (102). That is, each color may be assigned a temperature. If the sensor (104) determines a color temperature of the non-border portions of the screen (102) to be “cool,” i.e., over 5000 K, then the controller (106) may set the color temperature of the border to be a “warmer” color so as to bring the overall color temperature across the screen to a more neutral temperature.
  • the border width may be selected based on the lighting characteristic of the screen (102). That is, in a dimly-lit room, the border may be larger to provide greater illumination as compared to a smaller border used in a well-lit room. That is, the border width may be adjusted to either allow more or less additional illumination with a larger border providing greater illumination as compared to a smaller border.
  • the controller (106) may select a border shape may be selected. For example, a circular border shape may provide more uniform additional illumination as compared to a square border.
  • the controller (106) may select a border transparency based on the lighting characteristic. For example, at zero transparency, the border may emit more light as compared to a border with 50% transparency. While specific reference is made to particular lighting characteristics and border characteristics, a variety of other border characteristics may be selected.
  • the controller (106) may also cause the border to be displayed on the screen (102). That is, the controller (106) may transmit a signal to the display device (106) to generate the border in accordance with the determined border characteristics.
  • generation of the border may be triggered by a particular application.
  • an operating system (OS) of the electronic device (100) may detect that a video conferencing application is active and has requested activation of a camera.
  • the controller (106) may determine the border characteristics and cause the border to be displayed, which may include scaling down the portion of the screen (102) where content may be presented. That is, the controller (106) may use a state of a camera as a trigger to cause the border to be displayed.
  • the controller (106) may adjust the border characteristic to maintain a target lighting characteristic. That is, over time ambient light conditions, and or the contents of the screen (102) may vary, thus altering the display and ambient characteristics.
  • a constant and uniform lighting environment may be maintained during video capture. For example, it may be that a user is having a real-time video call on their desktop computer when a cloud goes overhead and obscures the light into the room.
  • the border may get brighter to account for the reduced light resulting from the cloud blocking the natural sun light. Doing so may provide a constant video capture quality throughout the duration of video capture.
  • Fig. 2 depicts a user and an electronic device (100) for causing a border (208) to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • Fig. 2 clearly depicts the border (208) that is generated in an interior margin of a displayable area of the screen (Fig. 1 , 102) and that surrounds the content of the screen (Fig. 1 , 102).
  • the content is a window for real-time video communication with another user.
  • Fig. 2 also clearly illustrates how light from the screen (Fig. 1 , 102) may reflect off the user’s face, potentially casting unnatural light on the user.
  • the border (208) characteristic, or multiple border (208) characteristics may be adjusted to account for the reflected light. That is, the border (208) characteristics may be selected to adjust a reflected light input into a camera (210) of the electronic device (100).
  • Fig. 2 depicts a clear demarcation between the border (208) and the content present on the screen (Fig. 1 , 102).
  • the border (208) may blend into the visual contents presented on an interior of the border (208).
  • Fig. 2 also depicts the controller (106). As depicted in Fig. 2, the controller (106) is indicated in dashed lines to indicate its position internal to the electronic device (100).
  • Fig. 2 also depicts multiple sensors (Fig. 1 , 104) that can be used to capture one lighting characteristics or multiple lighting characteristics.
  • the multiple sensors (Fig. 1 , 104) may include the camera (210). That is, the camera (210), in addition to capturing video and/or photographs of the user, may also collect data regarding the lighting characteristics of the capture environment. While Fig. 2 depicts an integrated camera (210), in some examples the camera (210) may be external to the electronic device (100).
  • Fig. 2 also depicts an ambient light sensor (212), which in the example depicted in Fig. 2, is an external sensor coupled to the electronic device (100). The ambient light sensor (212) captures data indicative of the ambient characteristics. This information is used by the controller (106) to determine the border characteristics. While Fig. 2 depicts an external ambient light sensor (212), in some examples the ambient light sensor (212) may be integrated with the electronic device (100).
  • the senor (Fig. 1 , 104) is a processor (214) of the electronic device (100) that determines pixel values across the screen (Fig. 1 , 102).
  • the processor (214) may be in the electronic device (100) and separate from the screen (Fig. 1 , 102).
  • the processor (214) may be a graphics card.
  • the output from the graphics card is captured by the screen (Fig. 1 , 102) and used to display the content.
  • the output of the graphics card may be used to determine the lighting characteristic.
  • Fig. 2 depicts the processor (214) and controller (106) as separate components, in an example, the processor (214) and the controller (106) may be the same physical component.
  • the sensor (Fig. 1 , 102) may be a variety of types and may provide information regarding the lighting characteristics to the controller (106) for determination of border characteristics.
  • the electronic device (100) may include multiple sensors (Fig. 1 , 102) and the controller (106) may determine border characteristic(s) based on an output of the multiple sensors (Fig. 1 , 102).
  • the processor (214) may determine the screen color and the camera (210) and/or ambient light sensor (212) may determine the ambient characteristics.
  • the controller (106) may select the border characteristic(s) based on the determined screen coIor and ambient characteristics and may dynamically adjust the border characteristics based on changes to either of these elements.
  • Fig. 3 depicts an electronic device (100) for causing a border (208) to be displayed based on lighting characteristics, according to an example of the principles described herein. As depicted in Fig.
  • the border (208) is indicated with a crosshatch to distinguish it from the bezel and content displayed on the screen (Fig. 1 , 102).
  • the border (208) has certain characteristics such as a thickness, brightness, and color which are selected based on the contents of the screen (Fig. 1 , 102) as well as the ambient lighting conditions in which the electronic device (100) is found.
  • the content includes multiple application windows including a window displaying a real-time video communication with another user.
  • the border (208) characteristics may be selected to offset the lighting characteristics.
  • the controller (106) independently controls a first portion of the screen (Fig. 1 , 102) corresponding to the border (208) around the content relative to the second portion of the screen (Fig. 1 , 102) corresponding to the content. That is, the controller (106) may individually adjust the pixels or lighting behind the border (208) such that the characteristics, i.e., brightness, color, and/or color temperature of the border (208), may be adjusted while the characteristics of the non-border portions of the screen (Fig. 1 , 102) may be maintained or may be adjusted differently. [0056] In some examples this may include individually adjusting pixels that are in the border (208) portion. For example, with an OLED screen (Fig.
  • the controller (106) may adjust the brightness of the individual pixels.
  • This zonal control may differ for different types of screens (Fig. 1 , 102).
  • a liquid crystal material is disposed on top of a light source such as LEDs that illuminate the liquid crystal material. Accordingly, a portion of the backlight may be adjusted to control the brightness of that portion.
  • the controller (106) may alter the light level from specific LEDs in the backlight such that the brightness of the border (208) portion may be independently adjusted from the rest of the content portion of the screen (Fig. 1 , 102).
  • the controller may also independently control different portions of the border (208) portion.
  • the controller (106) may select a first border characteristic for a first portion of the border (208) relative to a second border characteristic for a second portion of the border (208).
  • the controller (106) may then cause the first portion of the border (208) to be displayed based on the first border characteristic and cause the second portion of the border (208) to be displayed based on the second border characteristic.
  • a user may be in an environment where the left side of the user is illuminated more than the right side.
  • the sensor (104) may detect this difference in illumination and adjust the border (208) accordingly.
  • Fig. 4 depicts an electronic device (100) for causing a border (208) to be generated based on lighting characteristics, according to an example of the principles described herein.
  • the border (208) in Fig. 4 has different characteristics.
  • the border (208) in Fig. 4 is thicker than the border (208) depicted in Fig. 3. This may be on account of changes to the content displayed. That is, Fig. 3 depicts multiple open application windows. However, in Fig. 4 there is just one open application window, which application window may be a darker shade such that more illumination is desired during video capture. Accordingly, the controller (106) has made the border (208) thicker thereby emitting more light to provide the additional illumination.
  • Fig. 5 is a flowchart of a method (500) for causing a border (Fig. 2, 208) to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • the controller Fig. 1 , 106 causes the border (Fig. 2, 208) to be generated responsive to an indication that a camera (Fig. 2, 210) of the electronic device (Fig. 1 , 106) is active. That is, it may be that while the camera (Fig. 2, 210) is inactive, the contents of the screen (Fig. 1 , 102) occupy the entire displayable area.
  • the controller (Fig. 1 , 106) may detect (block 501) that a camera (Fig. 2, 210) is active and may cause the border (Fig.
  • the border (Fig. 2, 208) to be generated in an interior margin of the displayable area of the screen (Fig. 1 , 102).
  • the border (Fig. 2, 208) generation is triggered based on a camera state.
  • the border (Fig. 2, 208) may be also be based on an application state.
  • Such an example of an application may be a video conferencing application. Accordingly, when this video conferencing application is active and the camera (Fig. 2, 210) is active within the video conferencing application, the controller (Fig. 1 , 106) may initiate generation of the border (Fig. 2, 208).
  • the method (500) includes determining (block 502) a lighting characteristic, or multiple lighting characteristics of a screen (Fig. 1 , 102) of an electronic device (Fig. 1 , 100) while presenting content. That is, as described above, electronic devices (Fig. 1 , 100) include screens (Fig. 1 , 102) and may include cameras (Fig. 2, 210) that capture videos and or images. The clarity and quality of captured video and image are based on the nature and quality of the light entering the camera (Fig. 2, 210). The contents of the screen (Fig. 1 , 102) emit light and therefore affect the light that ultimately enters the camera (Fig. 2, 210). Ambient light incident on the electronic device (Fig. 1 , 100) also affects the quality of video capture.
  • the senor (Fig. 1 , 104), be it a camera (Fig. 2, 210), ambient light sensor (Fig. 2, 212), processor (Fig. 2, 214) or combinations thereof, measures ambient light and/or characteristics of the display environment.
  • these lighting characteristics include display characteristics screen color, screen color temperature, and screen brightness as well as ambient characteristics such as a color, brightness, and color temperature of ambient light, among others.
  • the electronic device may also determine (block 503) a target lighting characteristic. That is, a target brightness, color, and/or color temperature for the screen (Fig. 1 , 102) may be determined. These target lighting characteristics may be user-defined or predetermined. For example, a user may determine a desired brightness or overall color temperature for the display. The degree to which the contents of the screen (Fig. 1 , 102) provide something different, i.e., a brightness, color, or color temperature different than the target values, the controller (Fig. 1 , 106) may select (block 504) a border (Fig. 2, 208) characteristic to achieve the target lighting characteristic and based on the lighting characteristic for the screen (Fig. 1 , 102).
  • a target lighting characteristic That is, a target brightness, color, and/or color temperature for the screen (Fig. 1 , 102) may be determined. These target lighting characteristics may be user-defined or predetermined. For example, a user may determine a desired brightness or overall color temperature for the display. The degree to which the contents of the screen (Fig. 1
  • the controller may adjust the border characteristics, i.e., brightness, width, and/or color temperature, until the actual lighting characteristics match the target lighting characteristics.
  • the controller may cause (block 505) the border (Fig. 2, 208) to be generated in an interior margin of a displayable area of the screen (Fig. 1 , 102). That is, the screen (Fig. 1 , 102) may include a displayable area wherein content may be presented.
  • the interior margin refers to the edges of this displayable area and is a portion of the screen (Fig. 1 , 102) where the border (Fig. 2, 208) is to be generated to provide the additional illumination.
  • Fig. 6 is a flowchart of a method (600) for causing a border (Fig. 2, 208) to be displayed based on lighting characteristics, according to an example of the principles described herein.
  • the controller detects (block 601 ) that a camera (Fig. 2, 210) of an electronic device (Fig. 1 , 100) is active, detects (block 602) a lighting characteristic, and determines (block 603) a target lighting characteristic.
  • the method (600) may also include adjusting (block 604) the target lighting characteristic based on user input.
  • the user via an on-screen display (OSD) control, may input a desired brightness for the screen (Fig. 1 , 102).
  • the controller Fig. 1 , 106
  • Fig. 1 , 106 may select a border characteristic to ensure this overall screen (Fig. 1 , 102) brightness value is met.
  • the controller may then cause (block 606) the border (Fig. 2, 208) to be generated in an interior margin of the displayable area of the screen (Fig. 1 , 102).
  • the content may be scaled (block 607) to fit within the border (Fig. 2, 208) portion. Were the content not scaled, some portions of the content may be blocked by the border (Fig. 2, 208).
  • a scaler of the controller Fig. 1 , 106) scales the content.
  • the method (600) may include altering (block 608) the border (Fig. 2, 208) characteristic.
  • the border (Fig. 2, 208) may be dynamically altered (block 608) in real-time based on changes to the lighting characteristics.
  • the content on the screen (Fig. 1 , 102) may change, which may change the brightness, color temperature, and/or color of the screen.
  • environmental conditions may change, which may change the ambient light available to the camera.
  • the controller (Fig. 1 , 106) may alter the border characteristic, i.e., brightness, width, and/or color temperature of the border (Fig. 2, 208) to ensure the target lighting characteristic is maintained.
  • the border may be adjusted via user input.
  • the electronic device Fig. 1 , 100
  • the display of the border is altered (block 609) to provide a notification to a user.
  • the border may have a pulsating brightness to indicate that a call is incoming, or that an email, text, or other communication from a user was received.
  • other notifications may be indicated by changes to the settings of the border (Fig. 2 208).
  • Fig. 7 depicts a non-transitory machine-readable storage medium (716) for generating a screen border (Fig. 2, 208) based on screen lighting characteristics, according to an example of the principles described herein.
  • an electronic device includes various hardware components. Specifically, an electronic device (Fig. 1 , 100) includes a processor and a machine-readable storage medium (716).
  • the processor may be, for example a graphics processor or a video processor.
  • the machine-readable storage medium (716) is communicatively coupled to the processor.
  • the machine-readable storage medium (716) includes a number of instructions (718, 720, 722) for performing a designated function. In some examples, the instructions may be machine code and/or script code.
  • the machine-readable storage medium (716) causes the processor to execute the designated function of the instructions (718, 720, 722).
  • the machine-readable storage medium (716) can store data, programs, instructions, or any other machine-readable data that can be utilized to operate the electronic device (Fig. 1 , 100).
  • Machine-readable storage medium (716) can store machine readable instructions that the processor of the electronic device (Fig. 1 , 106) can process, or execute.
  • the machine-readable storage medium (716) can be an electronic, magnetic, optical, or other physical storage device that contains or stores executable instructions.
  • Machine-readable storage medium (716) may be, for example, Random-Access Memory (RAM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a storage device, an optical disc, etc.
  • the machine-readable storage medium (716) may be a non- transitory machine-readable storage medium (918).
  • Using electronic devices, methods, and machine-readable storage mediums as described herein may, for example, 1 ) provide additional illumination during video or photographic capture operations; 2) offset and balance the overall display color on the electronic device; and 3) automatically compensate for adjustments to screen contents and/or ambient light.
  • the devices, methods, and machine-readable storage mediums disclosed herein may address other matters and deficiencies in a number of technical areas, for example.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Studio Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Dans un exemple conformément à la présente divulgation, un dispositif électronique est décrit. Le dispositif électronique comprend un écran servant à présenter de façon visuelle un contenu à un utilisateur et une bordure servant à entourer le contenu de l'écran. Le dispositif électronique comprend également un capteur servant à détecter une caractéristique d'éclairage tout en affichant le contenu. Le dispositif électronique comprend également un dispositif de commande. Le dispositif de commande détermine quand une caméra du dispositif électronique est active. En réponse à ce qu'il soit déterminé que la caméra est active, le dispositif de commande détermine une caractéristique de bordure pour la bordure sur la base de la caractéristique d'éclairage. Le dispositif de commande amène également la bordure à être affichée autour du contenu sur l'écran.
PCT/US2020/054218 2020-10-05 2020-10-05 Bordures basées sur des caractéristiques d'éclairage WO2022075962A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070257928A1 (en) * 2006-05-04 2007-11-08 Richard Marks Bandwidth Management Through Lighting Control of a User Environment via a Display Device
US20100289666A1 (en) * 2009-05-18 2010-11-18 Sony Corporation Bezel illumination for digital devices
US20180366088A1 (en) * 2016-04-29 2018-12-20 Samsung Electronics Co., Ltd. Display apparatus and controlling method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070257928A1 (en) * 2006-05-04 2007-11-08 Richard Marks Bandwidth Management Through Lighting Control of a User Environment via a Display Device
US20100289666A1 (en) * 2009-05-18 2010-11-18 Sony Corporation Bezel illumination for digital devices
US20180366088A1 (en) * 2016-04-29 2018-12-20 Samsung Electronics Co., Ltd. Display apparatus and controlling method thereof

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