Samsung Display Co., Ltd.

Hyundai Mobis Co., Ltd.

Other

Korea University Research and Business Foundation

Young Soo Hwang

Hyung Jin Kim

Jae Ho Hwang

Joon Chul Goh

Hideo Yoshimura

Dong Joon Kwag

Byung Hyuk Park

You Tae Park

Jeong Min Kim

Bong Hyun You

Byeong Hee Won

Yong Jun Jang

Dong Gyu Lee

Seok Ha Hong

Oh Jo Kwon

Hyung Min Lee

Ji Woong Kim

Sung-Chan Jo

Dae Gwang Jang

Cheol Woo Park

Jae Sung Bae

Ji Eun Park

Jae Woong Kang

Ho Cheol Kang

Ki Duk Kim

Ha Neul Kim

Seung Hwan Park

Seung Hun Choi

Su Hong Park

Jin Ki Moon

Byung Yeol Kim

Kwang Taek Lim

Bong Hee Jung

A display device includes: a pixel including a light emitting element; and a sensing channel connected to a first electrode of the light emitting element by a first sensing line, and connected to a second electrode of the light emitting element by a second sensing line. The sensing channel includes: an amplifier including a first input terminal connected to the second sensing line; and a first switch which connects an output terminal of the amplifier to the first sensing line.

Light emitting diode (LED) display device accurately sensing exponential current in pixel sensing circuit

A display device includes an optical member including a plurality of three-dimensional lenses, a display module coupled to the optical member, and a main controller. The display module includes a display panel including a plurality of sub-pixels and a storage device configured to store offset data representing a relative arrangement position between the three-dimensional lenses and the sub-pixels. The main controller is configured to receive the offset data from the display module by accessing the display module in a power-on mode, and correct image data to be provided to the display module, based on the offset data.

Display device to display three-dimensional images and method of operating the same

A display device includes pixels connected to scan lines, control lines, data lines, and sensing lines; a scan driver configured to supply a scan signal to the scan lines and supply a control signal to the control lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a sensing circuit configured to sense the characteristics based on a sensing current supplied through the sensing lines during the sensing period; and a power supply configured to supply a voltage of first power to the pixels. The sensing period includes a first sensing period during which a first sensing current is extracted based on a first sensing data signal corresponding to a first grayscale, and a second sensing period during which a second sensing current is extracted based on a second sensing data signal corresponding to a second grayscale, and the voltage of the first power supplied during the first sensing period is different from the voltage of the first power supplied during the second sensing period.

Display device and driving method therefor

A display device including a scan line extending in a first direction, a sensing scan line extending in the first direction and spaced from the scan line, a data line extending in a second direction crossing the first direction, a sensing line extending in the second direction and spaced from the data line, a sensing enable signal line extending in the second direction and spaced from the data line and the sensing line, and a sub-pixel connected to the scan line, the sensing scan line, the data line, the sensing line, and the sensing enable signal line. The sub-pixel includes a plurality of light emitting elements between a first node and a second node, a first transistor configured to supply a driving current to the first node according to a voltage of a gate electrode, and a second transistor to control a connection between the first and second nodes.

Display device and method for driving the same to connect a first node and a second node according to a sensing enable signal

A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.

Display device and degradation compensating method thereof

A display device includes a display panel including sub-pixels arranged in an image display region of the display panel to display an image, a data driver that applies a data voltage to data lines, a scan signal driver that applies scan signals to scan signal lines, a data compensator that analyzes image data received from an outside to divide at least one deterioration region and deterioration peripheral regions, and compares and analyzes image data of the at least one deterioration region and the deterioration peripheral regions to compensate or modulate the image data of the at least one deterioration region, and a timing controller that controls the data driver and the scan signal driver to display compensation data including the compensated or modulated image data as an image.

Display device and method of driving display device

A method of driving a display device, includes: supplying a first sensing data signal corresponding to a first grayscale, first power having a first sensing voltage, and a reference voltage to a pixel during a first sensing period; sensing a first sensing current, generated based on the first sensing voltage, from the pixel during the first sensing period; supplying a second sensing data signal corresponding to a second grayscale and different from the first sensing data signal, the first power having a second sensing voltage, and the reference voltage to the pixel during a second sensing period; sensing a second sensing current, generated based on the second sensing voltage different from the first sensing voltage, from the pixel during the second sensing period; and calculating characteristics of a driving transistor of the pixel using the first sensing current and the second sensing current.

A data driver includes a multi-channel sample/hold circuit electrically connected between a digital-to-analog converter and a data buffer. The multi-channel sample/hold circuit includes a first sample/hold circuit connected to a first channel and a second sample/hold circuit connected to a second channel. The first sample/hold circuit performs a first drive operation and a second drive operation. The first drive operation includes sampling a data voltage as a buffer input voltage and maintaining the buffer input voltage during an nhorizontal time. The second drive operation includes outputting the buffer input voltage to an output terminal of the buffer during an (n+1)horizontal time. The second sample/hold circuit performs the second drive operation during the nhorizontal time and performs the first drive operation during the (n+1)horizontal time.

Data driver with sample/hold circuit and display device including the same

A display device includes pixels coupled to scan lines, control lines, data lines, and sensing lines, a scan driver for supplying a scan signal to the scan lines and supplying a control signal to the control lines, a data driver for supplying one of an image data signal and a sensing data signal to the data lines, and a sensing circuit including an analog-digital converter ('ADC') which converts a sensing value supplied through the sensing lines into a current code in a digital form, the sensing circuit correcting the current code by reflecting a conversion characteristic of the ADC, the sensing circuit sensing characteristics of the driving transistor based on the corrected current code.

Display device and method of driving the same

A display device includes a display panel, a timing controller, a first source driver, and a second source driver. The display panel includes a first pixel, a second pixel and a plurality of data lines included in a pixel column. A first data line is connected to the first pixel, and a second data line is connected to the second pixel. The timing controller generates a pattern inversion control signal by detecting a predetermined image pattern from input data. The first source driver is connected to the first and third data lines, and replaces a first channel data corresponding to the first data line with a third channel data corresponding to the third data line in response to the pattern inversion control signal. Similarly, the second source driver replaces a second channel data corresponding to the second data line with a fourth channel data corresponding to the fourth data line.

Display device

A display device including multiple displays is provided. The display device includes a first display including first pixels; a second display including second pixels; a first driver configured to drive the first display; a second driver configured to drive the second display; a controller configured to control the first and second drivers; a first power supply configured to supply first power to the first and second displays; and a second power supply configured to supply second power to the first and second displays. The second power supply includes a first voltage source configured to generate a first voltage; a second voltage source configured to generate a second voltage; a first switch configured to couple the first display to any one of the first and second voltage sources; and a second switch configured to couple the second display to one of the first and second voltage sources.

Display device and driving method of the same

A display device including a first substrate, a color conversion layer on the first substrate and containing a wavelength conversion material, a first conductive polarizer on the color conversion layer, and a timing controller electrically connected to the first conductive polarizer. The timing controller may measure a resistance of the first conductive polarizer to generate a compensation signal based on the measured resistance.

Disclosed is an apparatus for automatically supplying carrier tape, and more specifically, to an apparatus for automatically supplying a carrier tape and a method for automatically supplying carrier tape wherein carrier tape is enabled to be continuously and automatically supplied without stopping a process even if a structure or supply conditions of the carrier tape is changed. The apparatus for automatically supplying the carrier tape comprises an injection module comprising a height adjusting unit for enabling the continuous and automatic supply of one carrier tape in the middle of being supplied and one or more carrier tapes on standby, and a parts sensor for sensing parts of a carrier tape; and a pickup module for separating a cover tape form the carrier tape transferred from the injection module.

Apparatus for automatically supplying carrier tape comprising device for automatically exposing parts

The present invention relates to a passenger detecting sensor which is installed in a seat to detect whether a passenger is seated on a seat, and a method of manufacturing the same. A method of manufacturing a passenger detecting sensor includes printing corrosion preventive ink on aluminum bonded on a flexible panel in accordance with a pattern; forming an aluminum pattern by corroding the aluminum; cleaning the corrosion preventive ink on the aluminum pattern; and printing a carbon paste on the aluminum pattern.

Passenger detecting sensor and method of manufacturing the same

A vehicle according to the present invention includes: a weight sensor disposed in a seat to sense the weight of a passenger sitting on the seat; a weight-keeping-exerted time measurer measuring how long the weight of the passenger sensed by the weight sensor is exerted; a vehicle speed sensor sensing the traveling speed; and a passenger identification unit setting the class of the seat by using the passenger's weight sensed by the weight sensor and the weight-keeping-exerted time measured by the weight-keeping-exerted time measurer and finally fixing the set class, when the traveling speed sensed by the vehicle speed sensor is a fixed reference speed or more.

Growing community of inventors

Suwon-si, South Korea

Young Soo Hwang