Abstract: A scanning image display includes a light source, a light detector, a scanning section, a storage section, a current controlling section, a reference current section, a sweep section, and a change section. The light detector detects the laser light emitted from the light source. The scanning section scans the laser light. The current controlling section controls laser light by supplying a current supplied to the light source. The storage section is configured to store a reference current value, a reference light output value, and a gamma table. The reference current section supplies the reference current value to the current controlling section. The sweep section sweeps current values supplied to the current controlling section to obtain one current value where the detected laser light corresponds to the reference light output value. The change section changes the gamma table based on the one current value obtained by the sweep section.

Abstract: A display includes an electronic media, transparent, display screen. A translucent body is behind the display screen and a diffuser is between the display screen and the translucent body. Low power light sources direct light across the diffuser. The power source usually includes at least one solar panel.

Abstract: A display method and a display device for optimizing screen brightness of a mobile terminal are provided. The display method includes: determining an external illuminance value based on a sensor signal by detecting by the sensor signal for determining a brightness value of a screen; determining the brightness value of the screen corresponding to the external illuminance value; and outputting an image signal by using the brightness value of the screen.

Abstract: The present invention discloses a method of brightness correction for the electronic display, which consists of the following steps: take pictures of the electronic display; get the characteristic values of all the light-emitting components in the pictures; calculate the correction values of each light-emitting component with the characteristic values; correct the brightness of the display with the correction values. The present invention reduces the time cost of measuring the actual brightness values of the light-emitting components, and improves the efficiency of correcting the brightness uniformity of the electronic display.

Abstract: A lighting system including a plurality of luminaires capable of generating polychromatic light having a dominant wavelength in the visible spectrum and arranged into an array and a computerized device electrically coupled to the plurality of luminaires so as to selectively operate each individual luminaire to produce source light varying with each other and with time. The computerized device operates the luminaire such that each luminaire emits a source light, the source lights combining to form a combined light having selected characteristics. The source lights, when perceived directly, recreate a lighting scenario having varying lighting characteristics.

Abstract: A power management method for a mobile device including a basic input output system (BIOS) and an embedded controller (EC) includes determining whether the mobile device is operated in a direct current (DC) mode, determining whether a loading of an operating system of the mobile device exceeds a predetermined value, adding a flag associated with the embedded controller in a physical memory of the mobile device when the mobile device is operated in the DC mode and the loading of the operating system exceeds the predetermined value, and reading the flag in the physical memory via the basic input output system, to notify the embedded controller to perform a power management process corresponding to the flag.

Abstract: Disclosed are a light guide plate for a non-contact type coordinate input system, a system including the same, and a non-contact type coordinate input method using the same. More particularly, the present invention relates to a light guide plate for a non-contact type coordinate input system, which eliminates inconvenience of a conventional contact-type coordinate input system inputting coordinates through direct contact, and which can reduce use of sensors and optical loss as much as possible. The present invention also relates to a system including the same, and a non-contact type coordinate input method using the same.

Abstract: An interactive three-dimensional display system includes a three-dimensional display panel which has an optical sensor array, an interactive device which includes a projection light source and a shadow mask, and an image recognizing unit. The shadow mask has a pattern to define an image projected by the interactive device. The image is captured by the optical sensor array. The pattern includes two strip patterns which cross each other. The image includes two strip images which cross each other. The image recognizing unit is electrically connected with the optical sensor array and calculates relative positions of the interactive device and the three-dimensional display panel according to the image. A method of calculating the relative positions includes calculating according to the lengths of one of the strip patterns and one of the strip images, and a divergent angle and tilt angle of the projection light source.

Abstract: A light sensing circuit of a touch panel includes a photodiode including an anode and a cathode; a driving transistor including a gate electrode connected to the cathode of the photodiode, a first electrode to receive a first ground voltage, and a second electrode; a first switching transistor including a first electrode connected to the second electrode of the driving transistor, a second electrode to output a data signal, and a gate electrode to receive a scan signal; a first capacitor including a first terminal connected to the cathode of the photodiode, and a second terminal; and a voltage compensating unit to apply a compensation voltage to the second terminal of the first capacitor.

Abstract: A system and method for accenting regions of a layer including a lighting system including a plurality of light sources operable to emit polychromatic light and a layer having two or more regions configured to diffusively scatter light within a wavelength range while absorbing light not within the wavelength range. The regions may be configured to represent recognizable characters or images, and may form a sequence. The lighting system may highlight the regions individually or simultaneously. The layer may be attachable to a surface and may further include non-highlighted regions. The system may also include appliqués applied to a surface and a cover layer transparent to certain wavelengths of light that the appliqués scatter.

Abstract: A method performed by a user interface system is disclosed for adapting a graphic visualization of a virtual element on a display to render a corresponding fictitious physical element. The user interface system determines surrounding light characteristics of surrounding light associated with the display, and determines light adjusted characteristics of the virtual element based on the surrounding light characteristics. The user interface system adapts the graphic visualization based on the light adjusted characteristics, such that the graphic visualization resembles the fictitious physical element should the fictitious physical element have been subjected to the surrounding light. By considering surrounding light conditions prior to adapting the graphic visualization, the graphic visualization may change appearance depending on surrounding light conditions.

Abstract: A display method for sunlight readable is provided, which is applicable to an electronic device having a display panel. The display method includes the following steps. An ambient light sensor value and image content are obtained. Next, a liquid crystal (LC) driving voltage is altered based on the ambient light sensor value and the image content, wherein the LC driving voltage is increasingly proportional to the ambient light sensor value and exceeds a normal operation driving voltage when the ambient light sensor value exceeds a high luminance value. Then, the display panel is drived under the LC driving voltage. Finally, a sunlight readable image is displayed on the display panel.

Abstract: A display wall adjusting apparatus and a method for adjusting display parameters of display screens of a display wall. The display wall adjusting apparatus includes an image sensing unit and a control unit. The image sensing unit captures image(s) of the display screens. The control unit analyzes the image(s) to obtain an actual display parameter of each of the display screens, and produces control information according to the actual display parameters of the display screens. The display wall adjusting device transmits the control information to the display wall, such that the display parameters of the display wall can be adjusted according to the control information, and the display parameters of the individual display screens are synchronized.

Abstract: A method and system of testing pixels output from a pixel generation unit under test includes generating pixels from the pixel generation unit under test using a first test data pattern to generate pixel information. The method and system also generate a per pixel error value for a pixel from the unit under test that contains an error based on the pixel by pixel comparison with pixel information generated substantially concurrently with pixels by a different unit using the first test data pattern. If desired, corresponding pixel screen location information (e.g., x-y location) can also be determined for the pixel that has the error. The per pixel error and x-y location information can be displayed.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for controlling brightness of a display based on ambient light conditions. In one aspect, a display device can include a reflective display and an auxiliary light source configured to provide supplemental light to the display. The display device further can include a sensor system configured to determine an illuminance of ambient light, and a controller configured to adjust the auxiliary light source to provide an amount of supplemental light to the display based at least in part on the determined illuminance. In one aspect, the amount of supplemental light remains substantially the same or substantially increases in response to increasing illuminance when the illuminance is below a first threshold, and substantially decreases in response to increasing illuminance when the illuminance is above a second threshold that is greater than or equal to the first threshold.

Abstract: A photo sensor that is capable of generating a photo sensing signal corresponding only to ambient light by comprehending changes in electrical current depending on the change of temperature and compensating for the electrical current according the change of temperature and a flat panel display device using the photo sensor, and the photo sensor including a photo sensing unit generating a first current corresponding to an ambient light and a second current corresponding to an ambient temperature; a temperature compensating unit including a dark diode generating a third current having a same magnitude as the second current, corresponding to the ambient temperature due to block of light to be incident; and a buffer unit outputting a light sensing signal corresponding to current having the same magnitude as the first current by subtracting the third current generated in the temperature compensating unit from the second current generated in the photo sensing unit.

Abstract: An electronic device is provided with a display and a solar cell ambient light sensor that receives light through a portion of the display. The solar cell ambient light sensor may include one or more thin-film photovoltaic cells. A voltage that accumulates within the thin-film photovoltaic cell in response to ambient light is sampled and converted into ambient light data. The device includes control circuitry that modifies the intensity of display light generated by the display based on the ambient light data from the photovoltaic cell. The solar cell ambient light sensor is attached to a transparent cover layer, a color filter layer, or any other layer of the display. When the accumulated voltage is not being sampled for ambient light measurements, the voltage may be used to provide charge to a battery in the device.

Abstract: Disclosed is an organic light emitting display device, which is capable of compensating for variations in the characteristics of driving transistors, comprising a display panel including a plurality of pixels, each pixel having a driving transistor for operating a light emitting device to make the light emitting device emit light with a data current corresponding to a data voltage; a panel driver for detecting the characteristics of the driving transistors including at least one of mobility and threshold voltage of the driving transistor included in each pixel during a time period when there exists no user around the display panel, generating compensated input data by compensating input data according to the characteristics after the detection of the characteristics is completed, and generating data voltage through the use of the compensated input data; and a sensor for sensing whether or not there exists a user around the display panel, and supplying the sensing result to the panel driver.

Abstract: The present invention relates to a display device that measures display characteristics (such as luminance or chromaticity) associated with a display panel. The display device of the present invention has a light sensor (5) provided at a position allowing outgoing light from a screen (1a) of a liquid crystal panel (1), which serves as the display panel, and extraneous light reflected on the screen (1a) to enter the light sensor (5). Since the light sensor (5) is provided at the position, it is possible to measure the characteristics of the display panel and also the characteristics of the extraneous ambient light reflected on the screen. Thus, it is possible to accurately adjust the display characteristics based on the measurement results.

Abstract: A luminescence shock avoidance algorithm selectively limits the brightness level of a display device when the display device is activated in a dark environment to prevent the temporary vision impairment that can occur when a display device is activated in a dark environment. The algorithm receives the state of the display (e.g. on or in standby mode), and can optionally receive an ambient lighting value from an ambient light sensor and a user-selectable manual brightness adjustment setting to determine whether luminescence shock avoidance should even be triggered, and if it is triggered, how much should the brightness level of the display be limited.

Abstract: An image display system includes a light sensor operable to change a detection sensitivity. The light sensor outputs a signal according to an intensity of external light exerting an influence on a screen of a display apparatus and to the detection sensitivity. An illuminance acquisition part of a display control apparatus acquires illuminance by the external light based on the signal output from the light sensor. Moreover, a display adjuster adjusts a displaying state of the display apparatus in accordance with the illuminance by the external light acquired by the illuminance acquisition part. A sensitivity changer periodically alternates between a “low sensitivity” of the detection sensitivity and a “high sensitivity” of the detection sensitivity of the light sensor. Thus, even when changing significantly, the illuminance by the external light can be accurately and speedily acquired.

Abstract: A display adjusting device adapted for adjusting display parameter(s) of a display unit includes a light sensing unit for sensing an environmental illumination associated with the display unit; an image capturing unit for capturing an image of a user in front of the display unit; and a controlling unit, electrically connected to the display unit, the light sensing unit and the image capturing unit, for selectively adjusting a first display brightness of the display unit to a second display brightness according to the environmental illumination, calculating a distance between eyes of the user and the display unit according to the image, and selectively adjusting the second display brightness to a third display brightness according to the distance.

Abstract: An image display apparatus includes a light source device, a light source control unit which controls power supplied to the light source device and an image light emission unit which, utilizing a source light emitted from the light source device, emits an image light. A light quantity measurement unit measures a quantity of the source light. A power/light quantity characteristic derivation unit derives a power/light quantity characteristic. A light quantity adjustment unit, based on the power/light quantity characteristic, adjusts the quantity of the source light or the image light. The light source control unit controls the supplied power to gradually change the light quantity of the source light. The light quantity measurement unit measures the light quantity of the gradually changing source light and acquires light quantity data. The power/light quantity characteristic derivation unit, based on the light quantity data and the supplied power, derives the power/light quantity characteristic.

Abstract: An operation method of an electronic device is provided. The operation method includes detecting a movement speed of contents being scrolled, if the detected movement speed is determined as being equal to or greater than a set speed, changing a brightness of a screen having been displayed at a first brightness, into a second brightness, and changing the brightness of the screen from the second brightness to the first brightness according to a changing movement speed of the contents being scrolled.

Abstract: In an exemplary optical touch circuit and a LCD device using the same, an optical sensing unit is turned on or off according to an irradiation light intensity and accordingly generates a first signal. A first signal readout unit is electrically coupled to the optical sensing unit and turned on or off according to a first operation timing sequence and accordingly outputs the first signal. A touch reference unit is for providing a reference voltage. A second signal readout unit is turned on or off according to a second operation timing sequence and accordingly outputs the reference voltage. The touch sensing unit is electrically coupled to the first and second signal readout units and uses a voltage difference between the first signal and the reference voltage as a basis to determine that whether the optical touch circuit is touched or not.

Abstract: Various embodiments include devices, methods, data structures, and software that allow a reflective display device to, among other things, determine color components of a first image, detect an ambient light color composition, and weight one or more of the color components of the first image to provide a compensated image for display on the reflective display device. In one embodiment, the weighting compensates for a difference between the detected ambient light color composition and a specified color balance.

Abstract: Provided is a display device including a setting condition acquisition unit for obtaining various conditions for adjusting a gain of a video-signal, a current-brightness table calculation unit that calculates a table representing a relationship between an average brightness and a gain of a video-signal, and that calculates the table capable of setting a peak-brightness and power consumption of the video-signal independently, based on the various conditions acquired by the setting condition acquisition unit, a video-average brightness conversion block that calculates average-brightness of the video-signal input for each frame, a current-brightness control table that calculates a gain of the video-signal from the table based on the average-brightness calculated above, a video gain block that adjusts the video-signal using the gain calculated above, and a display panel that includes a plurality of pixels that emit light in response to a video-signal and displays a video based on the video-signal adjusted above.

Abstract: A display apparatus is disclosed. The display apparatus includes a display unit which displays a calibration screen divided into a plurality of areas when a calibration mode is initiated, an image generating unit which generates a guide image for displaying an arrangement position of a calibrator, and a controlling unit which controls the display unit to display a guide image on areas where calibration is to be performed of the plurality of areas. Accordingly, it becomes possible to improve user convenience and exactness of calibration.

Abstract: A display device (liquid crystal display device 100) includes a display panel (10) (liquid crystal panel 10), light receiving sensors (first light receiving sensors 122), and an image changing section (250). A display region (10a) of the liquid crystal panel (10) has a plurality of pixels (30) located therein. The first light receiving sensors (122) receive external light directed to the liquid crystal panel (10), at a plurality of positions in the display region (10a). In the image changing section (250), a reference value is predefined for light receiving information (a1 through d1) obtained by the first light receiving sensors (122). When light receiving information (a1 through d1) exceeding the reference value is obtained by the first light receiving sensors (122), the image changing section (250) changes an image to be displayed on the display region (10a), based on the light receiving information (a1 through d1).

Abstract: An optical projection system capable of detecting projection image deformation is provided. The optical projection system includes a laser source system, a scan unit, a detection unit and a signal control processing unit. The laser source system generates a visible laser having a visible wavelength and a detection laser. The scan unit projects the visible laser and the detection laser onto a projection plane, and drives the visible laser and the detection laser to scan along multiple scan lines to form a projection image. The detection unit detects the detection laser reflected by the projection plane, and outputs a voltage signal. The signal control processing unit determines whether the projection image is deformed according to the voltage signal, and accordingly determines whether to perform a correction operation.

Abstract: An electronic device may have a display with a brightness that is adjusted based on ambient light data from one or more ambient light sensors. An ambient light sensor may include at least one silicon-based photosensor. The silicon-based photosensor may generate a corresponding raw sensor reading. Processing circuitry associated with the ambient light sensor may analyze the raw sensor reading to determine the type of light source that is present by comparing measurements from at least two different photosensors, by determining the color temperature of the light source, and/or by determining the modulation frequency of the light source. A compensation factor may then be selected by referring to a lookup table. The processing circuitry may compute a compensated sensor reading based on the raw sensor reading and the selected compensation factor. The brightness of the display may be adjusted based on the compensated sensor reading computed in this way.

Abstract: A display device includes: a screen unit; a drive unit; and a signal processing unit, wherein the screen unit includes rows of scanning lines, columns of signal lines, matrix-state pixel circuits and a light sensor, the drive unit includes a scanner supplying a control signal to the scanning lines and a driver supplying a video signal to the signal lines, the screen unit is sectioned into plural regions each having plural pixel circuits, the pixel circuit emits light in accordance with the video signal, the light sensor is arranged with respect to each region and outputs a luminance signal in accordance with the light emission; and the signal processing unit corrects the video signal in accordance with the luminance signal and supplies the signal to the driver.

Abstract: It is expected to provide an image display apparatus and image display method that can reduce the risk that an image quality is undermined due to a halo phenomenon caused by the leak of light passing through a non-corresponding color filter from a LED. The image display apparatus can respectively control luminous efficiencies of plural color LEDs, i.e., R-LED (11a), G-LED (11b) and B-LED (11c) that emit light through a color filter to a displaying unit. The image display apparatus obtains luminous efficiencies for a frame of RGB image signal (S2), calculates a light leak amount and then detects whether the halo phenomenon may occur or not (S3-S5). When the halo phenomenon is considered to occur, the luminous efficiencies of LEDs (11a, 11b, 11c) included in the liquid crystal display apparatus are controlled to make the light from the LEDs (11a, 11b, 11c) become close to white light (S8).

Abstract: The present invention discloses a proximity sensing apparatus and a method thereof. A sensor apparatus comprises a panel, an emitting device, and a proximity sensor module. The panel includes a first transparent area and a second transparent area; an emitting device is located under the panel and the emitting device emitting a light passing through the first transparent area. The proximity sensor module is located under the panel and the proximity sensor module includes at least one proximity sensor with high sensitivity which is a second proximity sensor and at least one proximity sensor with low sensitivity which is a first proximity sensor, and the proximity sensor module receives the light passing through the second transparent area. The light passing through the first transparent area and then reflecting from an object to passing through the second transparent area, and the panel is able to provide a touch function.

Abstract: A liquid crystal display device is provided, which includes a liquid crystal element including a pixel electrode, a counter electrode, and a liquid crystal disposed between the pixel electrode and the counter electrode, a light source, a comparing circuit configured to compare a potential of the pixel electrode and a reference potential, and supply an output potential in accordance with the result of the comparison, and a control circuit configured to switch turning-on and turning-off of the light source in accordance with the output potential supplied from the comparing circuit.

Abstract: In one aspect of the invention, a display includes a substrate, and a plurality of pixels formed on the substrate and arranged in an array. Each pixel has a driving transistor having a gate electrode, a drain electrode and a source electrode, formed on the substrate, an organic light emitting diode (OLED) having a cathode layer, a anode layer and an emissive layer formed between the cathode layer and the anode layer, and formed over the driving transistor such that the anode layer of the OLED is electrically connected to the source electrode of the driving transistor, a bias electrode formed over the substrate, and a photo sensor having a photosensitive layer formed between the anode layer of the OLED and the bias electrode.

Abstract: A device includes ocular image processing features. The device obtains ocular image data without requiring artificial lenses to capture the ocular image data. The device may, for example, obtain sensor data from a touch sensor associated with a display, recognize ocular image data within the sensor data, and process the ocular image data for any reason. This processing may occur regardless of the fact that the intended purpose of the sensor data was not for ocular imaging, but was intended for another purpose, such as detecting touch interactions with the display.

Abstract: An apparatus of approximating backlight spread is used in a display to estimate a backlight spread image corresponding to an image after backlight spreading of a plurality of backlight sources arranged in a matrix form. An equalizer receives backlight pulse width modulation signals of the backlight sources for performing an equalization operation and generating corresponding equalization signals. A backlight seed image constructor receives the equalization signals to establish a backlight seed image. A first calculation unit calculates positions corresponding to the backlight seed image based on a backlight spread image. A second calculation unit calculates coordinates of the backlight seed image corresponding to the positions. A distance calculator calculates distance differences between the positions and coordinates of the backlight seed image.

Abstract: A light sensing panel includes sensors arranged in rows and columns, where the sensors receive a first bias voltage and a second bias voltage and output light sensing signals based on light incident thereto; first and second bias lines which transfers the first and second bias voltages, respectively, to the sensors, where each of the first and second bias lines includes a main line and sub lines diverged from the main line and arranged in a second direction corresponding to the columns;, where the sub lines of the first and second bias lines are alternately arranged, and where when two adjacent sub lines are shorted, the shorted sub line of the first bias line is separated from the main line of the first bias line.

Abstract: A scanning projector includes an optical filter. The optical filter exhibits a variable attenuation as a function of position. The scanning projector may scan sinusoidally in at least one dimension. The variable attenuation of the optical filter compensates for brightness variations due to sinusoidal scanning.

Abstract: An active photosensing pixel is disclosed, in which a two-terminal photosensing transistor has a first terminal coupled to a first node, a second terminal coupled to a selection line and a control terminal connected to the first terminal. A driving transistor has a first terminal coupled to a first reference voltage, a second terminal coupled to an output line and a control terminal connected to the first node.

Abstract: An image display apparatus is for correcting an input image signal and displaying an image on a display unit based on the corrected image signal, and includes: an illuminance detector for sequentially detecting illuminance values around the apparatus; an illuminance analyzer for sequentially outputting image settings for correction of the image signal depending on the detected illuminance values; a setting selector for outputting an image setting which has been output from the analyzer a number of times greater than a number of times any other image setting has been output, or an image setting determined by the statistic of the image settings output from the analyzer; and a setting application unit for changing the image setting used to correct the image signal to be equal to the image setting output from the selector, when a predetermined change occurs in the input image signal or when a predetermined time has come.

Abstract: A method for automatically adjusting an autostereoscopic three-dimensional (3D) display device is provided. The method includes steps of: displaying an autostereoscopic 3D frame by the autostereoscopic 3D display device; capturing a left-eye frame and a right-eye frame of the autostereoscopic 3D frame by two image capturing devices located at a left-eye position and a right-eye position, respectively; selecting multiple sampling points from the left-eye and right-eye frames; and analyzing the number of the sampling points satisfying a predetermined condition to determine a display angle.

Abstract: A flexible display device and a method of compensating for luminance of the flexible display device, the flexible display device including: a flexible display panel including a first display region and second display regions at opposite sides of the first display region and having a shape of a curved surface that is bent from a central axis of the flexible display panel at a angle; optical sensors disposed in each of the first display region and the second display regions and measuring amounts of light in the first display region and the second display regions; and a luminance compensation unit compensating luminance of the first display region and luminance of the second display regions based on the measured amounts of light.

Abstract: A pixel circuit for an electroluminescent element with a first storage capacitor formed overlapping a data line and which comprises a section where a semiconductor thin film constituting the switching transistor or the reset transistor extends, an insulating film, and a metal layer which is connected to the data line as a first terminal. A first terminal of a switching transistor and a first terminal of a reset transistor are connected to the second terminal of the first storage capacitor. The second terminal of the switching transistor is connected to a driving transistor. A second storage capacitor connects the control terminal and the first terminal of the switching transistor. The electroluminescent element is connected to the second terminal of the driving transistor through a light emission controlling transistor.

Abstract: A rectangular light-based touch-sensitive surface for an electronic device comprising a plurality of light emitters arranged along one and only one side of a surface, each emitter being activatable to emit light rays at a plurality of different angles across the surface, a plurality of light detectors arranged along the three remaining sides of the surface, each detector being activatable to register detection values of emitted light beams, wherein light emitted from each emitter is registered by two or more of the detectors, and a processor connected to the emitters and to the detectors operable to coordinate activations of the emitters and detectors, and to receive the registered detection values.

Abstract: With this display apparatus, it is possible to switch between a mode wherein a movable shield plate closes a hole formed in a reflecting plate that reflects light from backlights which provide light from behind a liquid crystal panel that displays an image, and a mode wherein the hole is open. A color sensor arranged behind the reflecting plate detects information pertaining to the light from the backlights that has passed through the hole formed in the reflecting plate. Thus, it is possible to detect information pertaining to the light from the backlights from behind the reflecting plate with high precision, and to improve the appearance viewed from the display-surface side of the apparatus.

Abstract: A method of adjusting projector output according to environment, by an electronic device with micro-projector, is provided. The method includes capturing environmental information by a camera; adjusting the brightness of projector light source according to environmental information; and adjusting colors of contents for projection onto a particular screen. The electronic device is also provided.

Abstract: A photo element includes a capacitor, a switch thin film transistor (TFT), a charge thin film transistor, and a photo thin film transistor. A voltage is charged to the capacitor through the charge TFT, and the output voltage of the capacitor is read through the readout line. The photo-induced current will affect the output voltage of the capacitor; therefore it is employed to determine whether the photo element is touched. Later, a reverse-biased voltage is applied to the photo TFT, such that the threshold voltage and sensitivity of the photo TFT can be maintained.

Abstract: The techniques disclosed herein use a display device, in conjunction with various optical sensors, e.g., an ambient light sensor or image sensors, to collect information about the ambient conditions in the environment of a viewer of the display device. Use of these optical sensors, in conjunction with knowledge regarding characteristics of the display device, can provide more detailed information about the effects the ambient conditions in the viewer's environment may have on the viewing experience. A processor in communication with the display device may create an ambient model based at least in part on the predicted effects of the ambient environmental conditions on the viewing experience. The ambient model may be used to adjust the gamma, black point, white point, or a combination thereof, of the display device's tone response curve, such that the viewer's perception remains relatively independent of the ambient conditions in which the display is being viewed.