Patent classifications
G09G2310/0264
SIMBO BUCK-BOOST INVERTING CONVERTER AND CONTROL METHOD THEREOF
Provided is a SIMBO buck-boost inverting converter including: a power stage for receiving an input voltage to generate first and positive output voltages and a negative output voltage, the power stage including a plurality of switches and an inductor; a control circuit for generating a plurality of control voltages based on the first and the second positive output voltages, the negative output voltage and a current of the inductor; an energy generation and distribution circuit for generating a plurality of duty cycles based on the control voltages; and a logic control and gate driving circuit for generating a plurality of switch control signals for controlling the switches of the power stage based on the duty cycles; wherein the control circuit and the energy generation and distribution circuit feedback-control and adjust the duty cycles to adjust a balance between an input energy and an output energy.
Display device comprising plurality of light emitting elements overlapping with contact electrodes
A method for repairing a display device, the display device including a plurality of inorganic light emitting elements arranged in a matrix and an insulator arranged around the plurality of inorganic light emitting elements, the method comprising steps of: detecting a defective inorganic light emitting element as the inorganic light emitting element having a defect; removing the insulator around the defective inorganic light emitting element while the defective inorganic light emitting element remains without being removed by irradiating the insulator around the defective inorganic light emitting element with irradiation light; and removing the defective inorganic light emitting element after the insulator therearound has been removed.
Display driving circuit and display device including the same
A display driving circuit and a display device including the same are provided. The display driving circuit includes a source driver which applies source data to a display panel, a power supply unit which receives an external voltage from a power module to generate an internal voltage and a logic unit which is supplied with the internal voltage to control the source driver, wherein the logic unit includes a voltage variable determination logic which determines whether a supply voltage including the internal voltage and the external voltage is changed, thereby generating a voltage variable signal, and a voltage control logic which receives the voltage variable signal to change the supply voltage.
Gate driver for display panel having curved side and display device having the same
A display device includes a display panel having a curved side or a polygonal side, the display panel including a plurality of pixels in a display region, a gate driver including a plurality of normal stages connected to each other for outputting gate signals to the pixels via a plurality of gate lines, and a plurality of dummy stages between some of the normal stages, and a data driver providing data signals to the pixels via a plurality of data lines.
VIDEO PLAY SYSTEM, VIDEO PLAY DEVICE, AND VIDEO PLAY METHOD
A video play system, a video play device, and a video play method are provided. The video play system includes: a display module and a plurality of play modules electrically connected to the display module. The plurality of play modules individually decode and transcode a video source having first resolution to generate target video data, and simultaneously output the target video data generated themselves to the display module. The display module plays a video image having second resolution according to multiple channels of the target video data.
Micro light-emitting diode display panel, micro light-emitting diode display device, and fingerprint identification method
A micro light-emitting diode (LED) display panel is provided. The micro LED display panel includes a substrate and a driving layer. The driving layer is disposed on the substrate. The driving layer includes a micro LED and a photo sensor. When the micro LED emits light to a finger of a user, the photo sensor generates a sensing signal.
Circular display device with narrow bezel and driving method thereof
Provided is a display device having the following structure and driving method thereof. The display device comprises a circular display panel including an active area on which an image is displayed and a non-active area on which no image is displayed, a gate driving circuit disposed in the non-active area to drive a plurality of gate lines, a first data driving circuit disposed in the non-active area to drive first-group data lines in the circular display panel, and a second data driving circuit disposed in the non-active area, in a position opposite to the first data driving circuit with respect to the active area, to drive second-group data lines in the circular display panel. The frequency of a data clock is reduced using a plurality of data driving circuits in a pad area. The bezel size of a circular display panel is reduced.
Semiconductor Device And Display Device
An object of the present invention is to decrease the resistance of a power supply line, to suppress a voltage drop in the power supply line, and to prevent defective display. A connection terminal portion includes a plurality of connection teiiuinals The plurality of connection terminals is provided with a plurality of connection pads which is part of the connection terminal. The plurality of connection pads includes a first connection pad and a second connection pad having a line width different from that of the first connection pad. Pitches between the plurality of connection pads are equal to each other.
Display device
A display device comprises a first power supply line supplying a first potential, a second power supply line supplying a second potential, a third power supply line supplying a touch driving signal, and a display unit including a plurality of sub-pixels. The display unit comprises a plurality of first electrodes respectively provided in the plurality of sub-pixels and electrically connected to the first power supply line, a second electrode provided to be common among the plurality of sub-pixels and electrically connected to the second power supply line, a light emitting layer provided between the first electrode and the second electrode, a plurality of third electrodes electrically connected to the third power supply line, and a signal control circuit supplying a signal synchronized with a touch driving signal to the second electrode in a period in which a touch driving signal is supplied to the plurality of third electrodes.
Display device, backlight module and electronic device
A display device includes a substrate, a driving circuit structure and a light emitting device. The light emitting device is disposed on the driving circuit structure and electrically connected to a driving thin film transistor in the driving circuit structure, wherein a device conductive layer includes a first section electrically connected to a first carrier transmitting layer through a first conductive connecting structure and a second section electrically connected to a second carrier transmitting layer through a second conductive connecting structure. A minimum distance between a topmost surface of the first section and the substrate is greater than a minimum distance between a topmost surface of the second conductive connecting structure and the substrate, and a minimum distance between a topmost surface of the second section and the substrate is greater than a minimum distance between a topmost surface of the first conductive connecting structure and the substrate.