Abstract: A display system for a vehicle system includes at least one light sensor that detects a light condition, and a display member that displays an information message. The information message includes a background and an object that is displayed adjacent the background. The display system further includes a controller that changes legibility of the information message by changing each of the background and the object based on the light condition detected by the light sensor. A method of controlling the display system is also disclosed.

Abstract: An image displaying apparatus is configured to display a desired image on an image displaying section employed in the image displaying apparatus by making use of a signal-line driving circuit and a scan-line driving circuit to drive pixel circuits. Each of the pixel circuits employs at least a light emitting device, a signal-level holding capacitor, a driving transistor for driving the light emitting device and a signal writing transistor. The signal-line driving circuit and the scan-line driving circuit drive each of the pixel circuits so as to put the light emitting device employed in the pixel circuit in a no-light emission state of emitting no light in a no-light emission period and a light emission state of emitting light in a light emission period repeatedly.

Abstract: Embodiments of the present invention relate to interferometric display devices comprising an interferometric modulator and a solar cell and methods of making thereof. In some embodiments, the solar cell is configured to provide energy to the interferometric modulator. The solar cell and the interferometric modulator may be formed above the same substrate. A layer of the solar cell may be shared with a layer of the interferometric modulator.

Abstract: A lifetime of a display is optimized by determining whether to control at least a portion of a display based on a lifetime metric. A plurality of display control options is identified in response to determining to control the portion of the display, and one of the display control options is selected.

Abstract: This invention discloses an illumination method and an illumination control method. An embodiment of the illumination system includes two light detection modules for detecting a light produced by a light emitting diode and an ambient light, calculating a reference spectral distribution based on a detection result of the ambient light, comparing the detection result of the light emitting diode with the reference spectral distribution, and driving the illumination module to emit a light matching with the reference spectral distribution based on a comparison result. Another embodiment of the illumination system includes a light detection module for periodically switching the light emitting diode to emit light and stop emitting light. When the light emitting diode stops an illumination period, the light detection module detects an ambient light, and when the light emitting diode continues an illumination period, the light detection module detects a light produced by the light emitting diode.

Abstract: A display device is provided that includes a display panel having a light-emitting unit for emitting light according to predetermined display data, an elongated optical waveguide unit which guides the light incident from the light-emitting unit and has a core layer and an addressing unit for selecting the light from the light waveguide unit according to the predetermined display data. The core layer is composed of light scattering liquid crystal, and the addressing unit allows the light to be emitted from a predetermined part of the optical waveguide unit by using the light scattering operation of the light scattering liquid crystal.

Abstract: The reliability of an EL element is enhanced while the increase of the electric power consumption is suppressed. It becomes possible that in a SES drive, the reverse bias is applied to the EL element driven at a constant electric current. Moreover, the application of the reverse bias is performed by varying only the counter electrode, and thus withstand voltage of TFT and the increase of the electric power consumption due to the increase of voltage of the gate signal line drive circuit, which becomes a problem when changing greatly the electric current supplying line, can be suppressed. Furthermore, the reduction of the electric power consumption can also be achieved while the enhancement of the reliability is secured by making the reverse bias smaller than the forward bias.

Abstract: In an image displaying apparatus including a motion compensated rate converting (FRC) portion, deterioration of image quality is prevented in an image having a high-speed region and a low-speed region mixed. The FRC portion includes a motion vector detecting portion 11e and an interpolation frame generating portion 12b. The motion vector detecting portion 11e includes a first region detecting means 112e1 that detects a first region (high-speed region) including a motion amount equal to or greater than a first predetermined amount from an input image signal, a second region detecting means 112e2 that detects a second region (low-speed region) including a motion amount equal to or less than a second predetermined amount from the input image signal, and a third region detecting means 113e that detects a still region from an inter-frame difference of the input image signal.

Abstract: An electro-optic device includes an electro-optic panel that includes a pixel region having a plurality of pixels arranged at a plurality of intersections where a plurality of scanning lines and a plurality of data lines cross each other, a polarity reverser that reverses, at a first frequency, a polarity of a video signal supplied to the plurality of pixels, a light source that emits light onto the pixel region, a pulse driver that pulse-drives the light source at a second frequency, and a setter that sets the first frequency and the second frequency so that a difference value between each of a plurality of first frequency components of the first frequency and each of a plurality of second frequency components of the second frequency is greater than a predetermined threshold value.

Abstract: A drive current corresponding to a digital-data voltage or an analog-data voltage transmitted via a data line can be transmitted to an organic EL element of a pixel circuit provided corresponding to the intersection of a scan line and the data line. The digital-data voltage can be transmitted to the pixel circuit so as to control gray scale by digital-gray-scale modulation for decreasing power consumption. Further, the analog-data voltage can be transmitted to the pixel circuit so as to control the gray scale by analog-gray-scale modulation for increasing the display quality.

Abstract: A display device that can prevent linear unevenness (uneven line) generated in one direction of a display image and can provide excellent display qualities includes a pixel including sub-pixels of n-colors (where n is an integer of 4 or more), and a signal line arranged to drive sub-pixels, the pixel and the signal line arranged to drive sub-pixels being disposed in a display region. The signal line arranged to drive sub-pixels is disposed on a display region center side of a sub-pixel positioned at least one terminal of the display region. The signal line arranged to drive sub-pixels is not disposed on a non-display region side of the sub-pixel positioned at the at least one terminal. The sub-pixel positioned at the at least one terminal has a color other than a color with the highest luminance of the n-colors.

Abstract: The invention relates to a display element having a plurality of display units laminated to each other, an electronic paper including the same, an electronic terminal apparatus including the same, a display system including the same, and a method of processing an image in a display element, and an object of the invention is to provide a display element capable of obtaining a display image with good display quality and improving user convenience, an electronic paper using the same, an electronic terminal apparatus using the same, and a display system using the same.

Abstract: An active matrix array device has a plurality of matrix array elements (100), each of which have a first capacitive device (120) coupled to a charging conductor (32m) via a first switch (100) being responsive to an addressing conductor (22n). In addition, the matrix array elements (100) comprise a second capacitive device (130) coupled to the first capacitive device (120) via a second switch (112) being responsive to en enable signal provided via an enable conductor (42n). The second capacitive device (130) is coupled to the control terminal of a third switch (114), which is coupled between the first capacitive device (120) and a potential source like the charging conductor (32m). The second capacitive device (130) is used to sample the voltage across the first capacitive device (120), which enables the third switch (114) if of an appropriate value, thus providing a conductive path between the first capacitive device (120) and the potential source.

Abstract: A display and techniques for displaying information involve the use of pixel-generating elements that include a light conduit and multiple adjustable light absorbing filters. The light conduit allows light from a light source to pass from a first side to a second side of the pixel-generating element. A first adjustable light absorbing filter adjustably absorbs a first set of visible light wavelengths from light passing through the light conduit to produce a first filtered light. A second adjustable light absorbing filter adjustably absorbs a second, different set of visible light wavelengths from the first filtered light. Each adjustable light absorbing filter is adjustable to a substantially transparent state, and the pixel-generating element generates a viewable pixel having a color adjustable between substantially a color of the light source and a color of the light source as modified by one or both of the adjustable light absorbing filters.

Abstract: In the hold-type display device that has a pixel connected to a storage capacitor via switching element, a frame period for driving the display device includes a first period, and a second period that is after the first period of the frame period. A voltage for black display is maintained from the beginning of the first period until a scanning line is selected. A voltage acquired by adding a predetermined voltage value to data signal is written to the pixel, when the scanning line is selected. In the second period, a voltage applied to at least one of the common electrode and the capacitor line connected to the storage capacitor is changed.

Abstract: A voltage is supplied from an image writing apparatus to the power receiving electrode of an electronic paper and an optical signal is applied to light receiving elements of the electronic paper from the LEDs of the image writing apparatus. Then, the light receiving elements perform a switching operation to apply the voltage to row electrodes and column electrodes of a display unit including a plurality of pixels, thus making display.

Abstract: A backlight unit includes a light source part having red, green and blue light sources and a light source controller to generate a common control wave and to drive each of the red, green and blue light sources by use of a dimming signal from the outside and the common control wave. The light source controller may include a pulse width modulation controller. The common control wave may have a triangular shape. Each of the red, green and blue light sources is driven with the common triangular wave which is generated by a triangular wave generator. The size of the light source controller may be reduced and flickers may be substantially reduced.

Abstract: A micromirror device, which makes an image display with digital image data, comprises pixel elements each of which makes pulse width modulation (PWM) for incident light depending on the deflection state of light and which are arranged in the form of a matrix. Each of the pixel elements has a mirror, at least one memory cell comprising a transistor and a capacitor, and an electrode connected to each transistor. Memory cells arranged successively in a ROW direction are connected by a ROW line. The image data is loaded at a time interval during which the voltage of the electrode can hold the deflection state of a pixel element.

Abstract: Disclosed herein is a light emitting period setting method for a display panel wherein the peak luminance level is varied through control of a total light emitting period length which is the sum total of period lengths of light emitting periods arranged in a one-field period, including a step of setting period lengths of N light emitting periods, which are arranged in a one-field period, in response to the total light emitting period length such that the period lengths of the light emitting periods continue to keep a fixed ratio thereamong, N being equal to or higher than 3.

Abstract: A heat dissipation system for digital electronic signboard includes a first heat dissipation subsystem disposed in a main circuit board area of a digital electronic signboard, and a second heat dissipation subsystem disposed in a computer mainboard area of the digital electronic signboard. The main circuit board area has a plurality of heat dissipation fans disposed therein, wherein one heat dissipation fan is disposed at a side of the main circuit board area, while another heat dissipation fan is disposed at a side of a power supply and can be externally connected to an air guide pipe. The computer mainboard area can also have a plurality of heat dissipation fans disposed therein, wherein one heat dissipation fan is disposed at a side of the computer mainboard, while another heat dissipation fan is disposed on the top of a microprocessor of the computer mainboard.

Abstract: Disclosed is a laser projector to display an image having a predetermined number of gradations by a combination of n division gradations, each being set with a maximum luminance, comprising: a storage section to store a luminance value of each of the gradations, and division signals being associated with each other, each of the division signals corresponding to an intensity of each of the division gradations, and the division gradations being combined with each other to represent the luminance value; a determination section to determine the division signal of each of the division gradations corresponding to the luminance value of each pixel which constitutes the image; and a signal output section to divide a display period of the each pixel into n intervals, and to sequentially output the division signal of each of the division gradations to a light source in a predetermined order, in each of the intervals.

Abstract: An LED current control device (100) includes a set of one or more LEDs (10) connected to a current-sensing element (20) and an external voltage source (VEXT). A sense signal produced by the current-sensing element may be amplified by a sense signal amplifier (30) and sent to a switching controller (40 and 50). The switching controller may perform hysteretic control on the amplified sense signal by controlling a switching element 70 to turn on and off. The on and off states of the switching element respectively enables and disables power from the external voltage source to the LEDs. As such, hysteretic control may be performed on the current in the LEDs.

Abstract: A display device and a method of driving the same are provided according to one or more embodiments. According to an embodiment, the display device includes a display panel including a plurality of display blocks arranged in the form of a matrix; a plurality of lighting blocks emitting light to the display panel, each of the lighting blocks arranged so as to correspond to at least one row of the matrix and having adjustable light luminance; and a signal control unit adapted to receive an image signal, determine display block luminance of the respective display blocks when an image is displayed on the respective display blocks in accordance with the image signal, determine the light luminance of the respective lighting blocks by using the display block luminance of some display blocks corresponding to the respective lighting blocks, correct the image signal by using the light luminance and the display block luminance, and provide the corrected image signal to the display panel.

Abstract: The invention provides an electro-optical apparatus that can prevent a shift in a threshold voltage of an amorphous silicon transistor while driving an organic EL device in a pixel circuit including the amorphous silicon transistor. A characteristic-adjustment circuit can be provided, which has a function of returning a shift in the threshold voltage of the amorphous silicon transistor included in the pixel circuit to the original state.

Abstract: An image display apparatus includes a pixel array section and a drive section configured to drive the pixel array section. The pixel array section is a pixel-circuit matrix with pixel circuits each serving as a matrix element. The drive section has at least a write scanner for supplying the control signal to each of the scan lines in order to carry out a sequential scanning operation on the scan lines for every field and a signal selector for supplying a video signal to each of the signal lines with a timing adjusted to the sequential scanning operation. Each of the pixel circuits employs at least a sampling transistor, a drive transistor, a signal holding capacitor and a light emitting device.

Abstract: A light source control method and apparatus for a light source is provided for improving energy utilization efficiency. A light source control apparatus of the present invention includes a display panel which displays video data, a light source which emits light to the display panel, a light source driver which drives the light source, and a panel controller which supplies panel control signals and the video data to the display panel and applies a driver enable signal to the light source driver for activating the light source in synchronization with a time period during which the video data are displayed on the display panel.

Abstract: An exemplary gamma correction method for use in a display device is disclosed. The display device includes a lamp, and a memory. The lamp is configured to generate light which is modulated into a visual image. The memory is configured for storing a plurality of gamma correction settings. The gamma correction method comprising: measuring service time of the lamp; receiving input displayable signals; and correcting the input displayable signals using a corresponding gamma correction setting, based on the measured service time of the lamp.

Abstract: A display system includes a spatial light modulator for displaying an image by the modulation state of a plurality of micromirrors, and a control device for controlling the spatial light modulator. The control device includes a data conversion device for converting all or a part of the digital image data input to the display system into non-binary data, and a modulation-control device for generating a modulation control signal for micromirrors depending on the non-binary data, and a modulation-control device for controlling the spatial light modulator. The modulation state of the micromirrors by the modulation control signal includes modulation by oscillation of the micromirrors. The modulation-control device controls a voltage value of the modulation control signal to be applied to the driving electrode of the micromirror such that the amplitude of the oscillation can be smaller than the maximum amplitude of the micromirrors in the modulation by the oscillation of the micromirrors.

Abstract: A driving method of a display device in which an image is displayed on a display panel having a display element arranged in a pixel matrix, includes comparing, among pixel data corresponding to a display content in each pixel, pixel data corresponding to an nth horizontal scan line of an Nth frame and pixel data corresponding to an nth horizontal scan line of an (N?1)th frame; and setting a brightness reduction ratio with respect to pixel data corresponding to the nth horizontal scan line of the Nth frame or a later horizontal scan line of the Nth frame based as a function of the comparison and all pixel data corresponding to the (N?1)th frame or all pixel data from the nth horizontal scan line of the (N?1)th frame to an (n?1)th horizontal scan line of the Nth frame and controlling power supplied.

Abstract: The invention relates to an active-matrix image display device that comprises an array of light emitters. Each light emitter is controlled by a current modulator having a particular trip threshold voltage. The device also includes compensation means for compensating for the trip threshold voltage of the modulators. These compensation means comprise at least one operational amplifier connected between the gate electrode and the source electrode of the modulator. The feedback of this operational amplifier compensates for the trip threshold voltage of at least one modulator whatever the value of the said voltage.

Abstract: A planar display structure with LED light source includes a plane light source constituted by a plurality of LEDs and a light guide plate, wherein the light guide plate has a plurality of recesses that the above LEDs can be put into.

Abstract: In one embodiment of the present invention, when an image is displayed in an image display device which has a frequency of 50 to 70 Hz in one frame period, a control LSI is set so that, in the case where the frame average luminance of a pixel is in the range of 150 [cd/m2] to 350 [cd/m2], the contrast ratio between subframe periods is set to: a range of not greater than 50 and not smaller than 1.5 when the luminance is 150 [cd/m2]; a range of not greater than 3.5 and not smaller than 1.5 when the luminance is 200 [cd/m2]; a range of not greater than 2.2 and not smaller than 1.5 when the luminance is 250 [cd/m2]; a range of not greater than 1.8 and not smaller than 1.5 when the luminance is 300 [cd/m2]; 1.5 when the luminance is 350 [cd/m2], and, for a frame average luminance other than the frame average luminance in the range, the contrast ratio is set so as to be monotonously changed between the contrast ratios corresponding to the respective frame average luminance.

Abstract: In an embodiment of the present invention, a signal driver employs a two-stage system in which the potential of a signal line (SL) is switched from a reference potential (Vofs) to an intermediate potential (Vofs2), and then switched to a signal potential (Vsig) of a video signal. A scanner supplies a first control pulse to a scan line (WS) when the signal line (SL) is at the intermediate potential (Vofs2), and then supplies a second control pulse to thereby turn on and off a sampling transistor T1 when the signal line (SL) is at the signal potential (Vsig). Based on this configuration, two times of mobility correction (? correction) are carried out.

Abstract: Some embodiments provide luminance-preserving non-imaging backlights that comprise a luminous source emitting light, an input port that receives the light, an injector and a beam-expanding ejector. The injector includes the input port and a larger output port with a profile that expands away from the input port acting via total internal reflection to keep x-y angular width of the source image inversely proportional to its luminance. The injector is defined by a surface of revolution with an axis on the source and a swept profile that is a first portion of an upper half of a CPC tilted by its acceptance angle. The beam-expanding ejector comprising a planar waveguide optically coupled to the output port of the injector. The ejector includes a smooth upper surface, and a reflective lower surface comprising microstructured facets that refract upwardly reflected light into a collimated direction common to the facets.

Abstract: It is configured by plurality of NAND circuits connected in series through a plurality of inverters, and a plurality of NOR circuits connected in series through the plurality of inverters. Each of a plurality of source signal lines provided in a pixel portion is connected to one input terminal of a NAND circuit and a NOR circuit, and an output of an inspection is obtained from final lines of the NAND circuit and the NOR circuit connected in series. In this manner, an inspecting circuit which is capable of determining a defect simply and accurately by using a small-scale circuit, and a method thereof are provided.

Abstract: The invention relates to a microelectronic device for producing light radiation according to a wide luminance range which can be used, in particular for forming improved screen pixels or, for example OLED-type display pixels.

Abstract: A surface lighting device has one single light source and a light-guide-board. The board includes a light-guiding-section and a light-emitting-section. A shorter side of the light-guiding-section is not more than 8 mm, and an area of the light-emitting-section is not less than 500 mm2. The light-emitting-section has the following features: (1) a ratio of min. luminance vs. max. luminance of is not less than 0.3; (2) an average luminance ranges from 1 cd/m2 to 200 cd/m2, and (3) a change value in luminance per unit length is not more than (average luminance)×100 cd/m3. Employing plural light-emitting-elements in the light source allows the lighting device to produce versatile colors. The light source, light-guide-board and a holder are structured and shaped in optimum way, so that unevenness in luminance of the device is reduced. An LCD unit incorporating this surface lighting device increases its display quality, and a portable terminal incorporating this LCD unit produces easy-to-lead display.

Abstract: Disclosed herein is a display device including: a pixel array part including row first drive lines, row second drive lines, and column signal lines; and a drive part including a horizontal drive circuit, a first vertical drive circuit, and a second vertical drive circuit, wherein the first vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, the second vertical drive circuit simultaneously drives pixels on two rows adjacent to each other, and a pair of rows of the pixels simultaneously driven by the first vertical drive circuit and a pair of rows of the pixels simultaneously driven by the second vertical drive circuit are shifted from each other by one row, for light-emission operation of the pixels on a row-by-row basis.

Abstract: In a light emitting device, a display device using the light emitting device, and a method of driving the light emitting device, the light emitting device includes: a plurality of cathode electrodes, an anode electrode, and a cathode driver to generate a light emitting data signal corresponding to a predetermined grayscale. In addition, an anode current flowing through the anode electrode is detected, the anode current and a first reference current corresponding to the predetermined grayscale are compared, and the anode current is compensated according to the comparison result.

Abstract: A driving method for a display is provided. The display includes a plurality of data lines. The driving method includes the steps of: providing a black frame data output signal, and a trigger signal; receiving at least one of a plurality of normal frame data and a plurality of black frame data from a receiving terminal; when the trigger signal is enabled, and the black frame data output signal is not enabled, outputting the normal frame data from an output terminal when the trigger signal changes status so as to allow the display to display the normal frame; and outputting the black frame from the output terminal when both of the trigger signal and the black frame data output signal are enabled, and when the trigger signal changes status so as to allow the display to display the black frame, and sustaining a status of the receiving terminal.

Abstract: Disclosed are embodiments of a system and method for processing an image. An image processing unit includes a processor unit and a control unit. The processor unit receives an incoming video signal. The control unit defines image frames from the video signal. The image frames have bit planes in a plurality of spatial segments for manifestation on a spatial light modulator. The control unit also defines on and off states for a solid state light source. The control unit modulates the solid state light source at a modulated level during at least one bit plane such that illumination of the solid state light source at the modulated level is equally applied during the at least one bit plane for each of the plurality of spatial segments.

Abstract: An electrophoretic display device includes a display element including a pair of first and second substrates which are opposed to each other, and a microcapsule enclosing a display material changed in optical characteristics in response to an electric impulse, the microcapsule being sandwiched between the first and second substrates; and a protective film sealing the display element. In the display device, a first electrode is provided on the surface of the first substrate which faces the second substrate, a second electrode is provided on the surface of the second substrate which faces the first substrate, and a spacer is provided in the space between the periphery of the facing surface of the first substrate and the first electrode.

Abstract: Methods and systems to achieve linear and exponential control over a current to drive color LEDs have been achieved. Current digital-to-analog converters (IDAC) comprising each an exponential current digital-to analog converter and a linear IDAC, being cascaded to each other are used for a linear and an exponential control of a current driving a set of color LEDs, preferably RGB LEDs. The linear part of the IDAC, which is converting the mantissa of a floating-point number is used to control the color composition of the color LEDs. The exponential part of the IDAC, which is converting the exponent of the floating-point number is used to control the brightness of the color LEDs. While fading from one color to a next color a linear color change is required. The exponential part of the IDAC is used to dim the LEDs from bright to dark and vice versa. In order to get the visual perception of a linear dimming an exponential current change is required.

Abstract: Provided are systems and methods for providing a stabilized color management system in a solid state lighting panel. Methods according to some embodiments include receiving, in the microcontroller, a color management reference value corresponding to a color characteristic of the solid state lighting panel and adjusting a control mode of the microcontroller responsive to the color management reference value.

Abstract: A display is provided. The display includes at least one display cell having a display circuit; at least one light receiving cell including a light receiving element; a light emitting section operative to radiate light to the side of a display surface; and a polarizing plate disposed on the front side in the display relative to a region in which the light emitting section is disposed and regions in which the display cell and the light receiving cell are formed, wherein a phase difference plate is disposed at a position which is on the front side relative to the light receiving cell and in either of an emitting optical path of the light emitting section and a reflecting optical path toward the light receiving cell.

Abstract: A method of operating a semiconductor device, a semiconductor device and a digital micromirror system are presented. In an embodiment, the semiconductor device comprises a grounded substrate, a memory array, and a reset driver. The memory array may be isolated from the grounded substrate with a buried layer. The set of voltages of the memory array may be shifted with respect to a reset voltage. The reset driver may drive the reset voltage and the reset driver may have at least one extended drain transistor in the grounded substrate.

Abstract: A reflective display device (2) comprises a plurality of controllable light absorption layers (8) arranged in a stack. Each of the layers (8) is capable of absorbing incident light in a specified wavelength band. A selective reflector (10) is immediately behind at least one of the layers (8) and is adapted to reflect at least some wavelengths of light within the wavelength band and substantially to transmit light of other wavelengths.

Abstract: A low cost fiber optic lighting display system includes a light source, an electronic shutter having independently controllable pixel elements positioned proximate to the light source, a controller for controlling the pixels, and a plurality of optical fibers, each fiber having input and output ends with the input end of each fiber positioned proximate to the output side of a pixel element or group of pixel elements. The corresponding method includes providing a fiber optic lighting display having a light source, an electronic shutter having independently controllable pixels, a controller connected to the electronic shutter for controlling the pixels, and a plurality of optical fibers, each optical fiber having an input end positioned proximate to a pixel or group of pixel elements and an output end.

Abstract: An electronic device is provided which can appropriately adjust the brightness of a display apparatus in accordance with the lightness of visible light by preventing UV-light from being incident upon an optical sensor. An electronic device having, in a housing, a display apparatus (1) that includes an active matrix substrate (2) having a pixel array region (8) in which a plurality of pixels (5) are arranged and a display medium (4) provided in a gap between the active matrix substrate (2) and a counter substrate (3), includes an optical sensor (11) provided in a peripheral region (9) present in a periphery of the pixel array region (8) in the active matrix substrate (2) of a display apparatus (1), and a UV-light blocking member (70) that is provided in a portion covering the optical sensor (11) in the housing and transmits visible light and absorbs UV-light.

Abstract: A display device includes a display panel and a driving circuit. The display panel has a pixel including red, green, blue, and white sub-pixels. The driving circuit receives a display signal and provides at least a first luminance weighting and a second luminance weighting of the red, green, blue, and white sub-pixels respectively. The display device selects one of the first luminance weighting and the second luminance weighting to drive the pixel according to the different operating modes of the display device.