Samsung Display Co., Ltd.

Other

Seong Heon Cho

Hae-Kwan Seo

Seung Jae Lee

Hyung Jin Kim

Bong Hyun You

Byung Ki Chun

Hae Kwan Seo

Joon Chul Goh

Dae Gwang Jang

Dong Joon Kwag

Hyun Seuk Yoo

Soon Dong Kim

Kuk Hwan Ahn

A display device includes: a display panel including pixels; a first driver supplying data voltages to A pixels using first image data; a second driver supplying data voltages to B pixels smaller than the A pixels using second image data; a third driver disposed adjacent to the second driver in a first direction, the third driver supplying data voltages corresponding pixels using third image data; a first controller calculating a first load ratio of the first driver using the first image data, and a second load ratio of the second driver using the second image data; and a second controller calculating a third load ratio of the third driver using the third image data. The first controller receives the third load ratio from the second controller, and generates a first temperature profile for the first driver and the second driver using the first, the second, and the third load ratios.

Display device

A display device includes a first display panel; and a second display panel, wherein the first display panel includes a first substrate including a first region and a second region that is thinner than the first region, a first scan driver positioned on one edge of the first region, a second scan driver positioned in the second region, and a plurality of pixels connected to the first scan driver and the second scan driver by a scan line, the second display panel includes a second substrate including a first region and a second region that is thinner than the first region, a first scan driver positioned on one edge of the first region, and a plurality of pixels connected to the first scan driver by a scan line.

A scan driver includes: a plurality of stages, each stage including: a logic circuit configured to transfer an input signal to a first node in response to a first clock signal, and to bootstrap the first node in response to a second clock signal; a carry output circuit configured to output the second clock signal as a carry signal that is provided as the input signal for a next stage in response to a voltage of the bootstrapped first node; and a masking controller configured to receive a masking signal and the carry signal, and to output the masking signal as a scan signal provided to a pixel row corresponding to the each stage in response to the carry signal.

Scan driver and display device

A display device includes: a plurality of pixels; a first pixel unit comprising a first portion of the plurality of pixels; a second pixel unit comprising a second portion of the plurality of pixels; and a data driver configured to supply a data voltage to the first pixel unit and the second pixel unit, wherein the data driver is configured to generate a data voltage to be supplied to the first pixel unit based on different gamma voltages even when the same grayscale is expressed according to a driving method, and the second pixel unit is configured to be driven or not driven according to the driving method.

A display device relates to a test image measuring device, and includes a housing including one side in which an opening is defined, and a reflector provided to be inclined by a predetermined angle from another side of the housing facing the opening, where a display device including a display unit and an imaging unit is provided above the opening, and a test image displayed from the display unit is photographed by the imaging unit through the reflector.

Test image measuring device, display device and luminance correcting method

A display device and a driving method thereof are provided. The display device includes a display including a pixel including a double gate transistor and a light emitting diode, a power supply for supplying power to the display, a current sensor for sensing a current flowing in the display or in the light emitting diode, and a gate voltage controller for providing a bias voltage signal to one gate electrode of the double gate transistor.

Display device and driving method thereof

A short circuit detector includes a first transistor connected between a first portion of a data line and a second portion of the data line and including a gate electrode connected to a first node; a second transistor connected between a first voltage source and the first node and including a gate electrode configured to receive a short-circuit test signal; a third transistor connected between a second node included in the second portion and a third node and including a gate electrode configured to receive the short-circuit test signal; a fourth transistor connected between a second voltage source and the first node and including a gate electrode connected to the third node; and a fifth transistor connected to the first node and a third voltage source and including a gate electrode connected to the third node in common with the gate electrode of the third transistor.

Short circuit detector and display device having the same

The present invention relates to a structure of vehicle back mirror which is provided at an external side portion of a vehicle, and which is made such that the back mirror is folded and unfolded by operation of a handling button provided within the vehicle. A forward and reverse rotation motor is provided within an interior of the back mirror. The back mirror includes a fixed member, a moving member, a band spring provided on a top surface of a gear and is extended and contracted by a driving force of the motor, so that the moving member, which is firmly fixed to an end of the band spring, is folded and unfolded within a predetermined angle range.

Growing community of inventors

Hwaseong-si, South Korea

Seong Heon Cho