Abstract: In an exemplary flat display apparatus and control circuit and method for controlling the flat display apparatus, the flat display apparatus includes a plurality of gate driving units, each of which controls the operation of a scan line in the flat display apparatus. The flat display apparatus provides a first gate high level voltage signal and a second gate high level voltage signal to the gate driving units such that the first and second gate high level voltage signals are used as voltage signals transmitted to corresponding scan lines. The first and second gate high level voltage signals respectively include a falling edge with a slope. Duration time of the falling edge of the first gate high level voltage signal is longer than that of the falling edge of the second gate high level voltage signal.
Abstract: An OLED (organic light-emitting diode) pixel structure comprises a substrate, first and second control components, first, second, and complementary electrode layers, and first and second light-emitting layers. The first and second control components are disposed above the substrate and electrically coupled to, respectively, the first and second electrode layers. There are first and second neighborhoods defined in the pixel structure, and the substrate traverses both of the neighborhoods. The first electrode layer is disposed in the first neighborhood and comprises a reflective layer. The first light-emitting layer is disposed on and electrically coupled to the first electrode layer. The second electrode layer is transparent and disposed in the second neighborhood. The second light-emitting layer is disposed on and electrically coupled to the second electrode layer. The complementary electrode layer is disposed on and electrically coupled to the light-emitting layers.
Abstract: A touch display apparatus having a fan-out side is provided. The touch display apparatus includes a first substrate, a second substrate, a touch sensing element and a display element. The first and the second substrate have a first surface and a second inner surface, respectively. The second substrate is disposed opposite to the first substrate. The second inner surface faces the first inner surface. The second substrate has a convex part and a concave part on the fan-out side. The second inner surface has a second outer lead bonding region in the convex part. The first outer lead bonding region of the first substrate is unshielded by the second substrate through the concave part. The second outer lead bonding region of the second substrate is unshielded by the first substrate. The touch sensing element and the display element are packaged in between the first and the second substrates.
Abstract: A pixel structure and a display panel using the same are disclosed. The pixel structure includes a first substrate, a scan line, a first pixel, an auxiliary electrode, a data line, and an insulation layer. The scan line is disposed on the first substrate. The first pixel is disposed on the first substrate. The first pixel includes a first pixel electrode and a first active element. The first pixel electrode is electrically connected to the first active element. The auxiliary electrode is disposed on the first substrate. The data line is disposed on the auxiliary electrode. The data line has a slit. The slit at least partially overlaps the auxiliary electrode in a vertical projection direction. The insulation layer is disposed between the data line and the auxiliary electrode.
Abstract: A shift register includes a control circuit, a switching circuit, a driving circuit, and a pull-down circuit. The control circuit is configured to output a control signal having a high level during a pull-up period and a voltage-regulating period respectively. The switching circuit is configured to provide a control voltage according to the control signal and a front stage signal outputted by a front x-stage shift register during the pull-up period. The driving circuit is configured to generate a driving signal according to the control voltage provided by the switching circuit, and output a home stage scan signal based on the driving signal. The pull-down circuit is configured to pull down a voltage level of the driving signal according to a scan signal outputted by a rear y-stage shift register during a pull-down period. The switching circuit is configured to regulate the driving signal and the home stage scan signal.
Abstract: A display module includes a bottom substrate, a display device having a plurality of display pixels, and a diffusion module. The display pixels are disposed between the bottom substrate and the diffusion module. The diffusion module has a thickness and a haze, wherein the haze of the diffusion module satisfies: A < Haze < B ; wherein A = 0.642 × ( NP ) 0.35 ( NT ) 0.32 ; B = 0.821 × ( NP ) 0.45 ( NT ) 0.60 ; NP = 25400 / PPI 63 ? ? µm ; and NT = T 500 ? ? µm ; wherein PPI is a resolution of the display module, T is the thickness of the diffusion module, and Haze is the haze of the diffusion module.
Abstract: A display panel includes a first substrate structure, a second substrate structure and a display medium layer. The first substrate structure includes a first substrate, a transmitting line, a first protrusion structure and a second protrusion structure. The transmitting line, the first protrusion structure and the second protrusion structure are disposed on the first substrate. The second substrate structure includes a second substrate and a first spacer. The first spacer is disposed on the second substrate. The shape of a vertical projection of the first spacer projected on the first substrate is a polygonal shape having a first side, a second side, a third side, a first included angle and a second included angle. The first included angel is between the first side and the third side, and the first included angle is greater than 90 degrees. The second included angle is less than 90 degrees.
Abstract: A display apparatus including a plurality of pixels and a multi-color light source backlight module, and a driving method thereof are disclosed. Each pixel includes a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, and a white sub-pixel. The backlight module includes a first color light source, a second color light source, and a third color light source. In a first sub-frame period, the first color light source and the second color light source are lightening; in a second sub-frame period, the second color light source and the third color light source are lightening; and in a third sub-frame period, the first color light source and the third color light source are lightening.
Abstract: A peep proof display method adapted to a display apparatus including a first backlight module and a second backlight module. At a narrow view angle display mode, output a first data signal and a second data signal according to the first data signal. During a first sub-frame period, enable the first backlight module and disable the second backlight module so as to display the first data signal on the display apparatus. During a second sub-frame, enable the second backlight module and disable the first backlight module so as to display the second data signal on the display apparatus. A peak of a first light intensity distribution curve of the first backlight module is in a narrow viewing angle range. Peaks of a second light intensity distribution curve of the second backlight module are in a wide viewing angle range individual to the narrow viewing angle range.
Abstract: A liquid crystal display includes a pixel array, a gate driver, a data driver, a common voltage source, and a current duplication module. The gate driver is used to turn on a plurality of rows of pixels in the pixel array in sequence. The data driver is used to provide a plurality of data voltages to the turned-on pixels in the pixel array. The common voltage source is used to provide a common voltage. The current duplication module is coupled to a first side and a second side of the pixel array and is used to input two substantially equal currents to the first side and the second side of the pixel array respectively to provide the common voltage to the first side and the second side of the pixel array.
Abstract: A liquid crystal display panel includes first substrate, active switching device, patterned insulating layer, pixel electrode, auxiliary electrode, second substrate, common electrode and liquid crystal molecules. The patterned insulating layer is disposed on the first substrate and includes a plurality of inner insulating branches and slits, and each slit is located between two adjacent inner insulating branches. The pixel electrode is disposed on the patterned insulating layer and electrically connected to the active switching device. The periphery of the pixel electrode overlaps the inner insulating branches. The auxiliary electrode is disposed on the first substrate and at least partially surrounding the pixel electrode. The auxiliary electrode and the pixel electrode are not electrically connected, and the inner insulating branches partially overlap the auxiliary electrode in a vertical projection direction. The common electrode is disposed on the second substrate.
Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a plurality of first regions and a plurality of second regions. The first regions and the second regions are formed on the first substrate and the second substrate. In a narrow viewing mode, the luminous flux of the first regions along a first viewing direction is different from that of the first regions along a second viewing direction opposite to the first viewing direction, and the luminous flux of the second regions along the first viewing direction is substantially different from that of the first regions along the first viewing direction.
Abstract: A pixel circuit includes a first capacitor, an input unit, a driving unit, a first compensation unit, an organic light-emitting diode, a switch unit, a second compensation unit and a reset unit. The input unit is electrically connected to the first capacitor and the second compensation unit. The second compensation unit is electrically connected to the organic light-emitting diode. The first compensation unit is electrically connected to the first capacitor, the driving unit, the switch unit and the reset unit. The driving unit is electrically connected to the switch unit and the reset unit. The switch unit is electrically connected to the organic light-emitting diode. The pixel circuit is configured to generate a corresponding driving current according to a turn-on voltage of the organic light-emitting diode. A driving method of a pixel circuit is also provided.
Abstract: An embedded sensor of a touch panel includes at least a readout unit and a reset unit. The total readout length or the total reset length during each sensing period may be larger than the pixel refresh period by introducing other readout units, introducing other reset units, or increasing the enabling period of the gate driving signals, thereby enhancing the sensibility of the touch panel.
Abstract: A bright dot detection method adapted to be used in a display panel including a plurality of gate lines, a plurality of source lines and a bright dot detection module. The plurality of gate lines and the plurality of sources line are interlaced thereby forming a plurality of pixels. The bright dot detection method includes: driving the plurality of pixels through enabling the plurality of gate lines simultaneously, thereby forming a first bright line in a first direction; and driving the plurality of pixels through enabling the plurality of gate lines sequentially and providing a control signal to the bright dot detection module, thereby forming a second bright line in a second direction, wherein a bright dot is positioned where the first and second bright lines meet with each other. A display panel is also disclosed.
Abstract: An optical sensing device includes a thin film transistor disposed on a substrate, an optical sensor, a planar layer, and an organic light emitting diode. The optical sensor includes a metal electrode disposed on a gate dielectric layer of the thin film transistor and connecting to a drain electrode of the thin film transistor, an optical sensing layer disposed on the metal electrode, and a first transparent electrode disposed on the optical sensing layer. The planar layer covers at least a part of the thin film transistor and the optical sensor. The organic light emitting diode is disposed on the planar layer. The anode electrode and the cathode electrode of the organic light emitting diode are electrically coupled to a gate line and a data line respectively.
Abstract: A pixel structure of display panel includes a first substrate, a second substrate, a liquid crystal layer, a first pixel electrode, a patterned insulation layer, a second pixel electrode and a common electrode. The first substrate has a plurality of alignment regions. The second substrate and the first substrate are disposed opposite to each other. The first pixel electrode is a full-surfaced electrode, which includes a plurality of branch electrodes disposed in the alignment regions. The patterned insulation layer is disposed between the first pixel electrode and the liquid crystal layer. The second pixel electrode is disposed in at least one boundary of each of the alignment regions. The common electrode is disposed on the second substrate.
Abstract: A display substrate structure includes a substrate, at least one chip, and a plurality of conductive lines. A display region and a periphery region are defined on the substrate. The periphery region is disposed around the display region, and the chip is disposed in the periphery region. The conductive lines are disposed in the periphery region and at least between the chip and the display region. Each conductive line has a fan-out portion and at least one adjustment portion. Each adjustment portion is electrically connected to the fan-out portion of the same conductive line. The adjustment portion of each conductive line has a winding wire, and at least one of the adjustment portions of the conductive lines has a straight wire, which is electrically connected to and at least partially overlaps the winding wire of the same conductive line.
January 22, 2015
Date of Patent:
June 5, 2018
AU OPTRONICS CORP.
Keng-Chuan Cheng, Chien-Hao Fu, Chien-Ju Lin
Abstract: A pixel circuit includes a first capacitor whose two terminals are coupled to a first node and a ground end respectively, a first switch whose two terminals are coupled to a second node and a fourth node respectively, a liquid crystal, a second switch, a pull-up circuit, a pull-down circuit, a second capacitor and a third switch. The first switch is coupled to the first node and a first data input end. The liquid crystal is coupled to the second and a third node. The second switch is coupled to the second node and a second data input end. The pull-up circuit is coupled to the first node and the second node and a node of a high voltage. The pull-down circuit is coupled to the second node, the fourth node and the ground end. The third switch is coupled to the fourth node and the ground end.
Abstract: A display device includes a data driver, a gate driver, a plurality of first pixel unit and a first low-pass filter. Each first pixel unit includes a first transistor, a first storage capacitor and a first liquid crystal capacitor. The first transistor is electrically coupled to the data driver and the gate driver and from which to receive the first display data and the gate control signal, respectively. The first transistor is configured to output the first display data according to the gate control signal. The first low-pass filter is configured to have its input electrode terminal electrically coupled to the second electrode terminal of one of the plurality of first transistor and its output electrode terminal electrically coupled to the second electrode terminal of the first liquid crystal capacitor of each of the first pixel units. An operation method for the display device is also provided.