Lg Display Co., Ltd.

JungChul Kim

Junyoung Kwon

JuhnSuk Yoo

Taro Hasumi

SeHwan Na

JiNo Lee

Jung-Min Lee

Dohyung Kim

Juhnsuk Yoo

YongMin Ha

Donghyun Kim

HoYoung Lee

Jaesung Kim

Sungwook Yoon

SangMoo Song

Taehwi Kim

Miso Kim

Sungwook Chang

Jungyoup Suk

Heekwang Kang

Hanwook Hwang

WooChan Kim

DaeKyu Kim

Hoyoung Ko

SungWook Chang

Hoonju Chung

Haeyoon Jeong

Minsu Kim

Kiyoung Sung

JaeHee Park

Jongchan Park

NamKil Park

Sanghoon Jung

Minji Han

JaeSik Hwang

ChangJae Jang

Heeyoung An

Embodiments of the present disclosure relate to a display panel and a display device, and more particularly, a display panel and a display device capable of reducing a bezel area by reducing the number of subpixels per unit area of a second display area adjacent to a first display area in which the light-receiving device is located.

Display panel and display device

A pixel circuit and a display device including the same are disclosed. The pixel circuit includes: a driving transistor which includes a first electrode connected to a first node, a gate electrode connected to a second node, and a second electrode connected to a third node, and supplies a driving current to a light emitting device; a first transistor that is electrically connected between the first node and the second node; a second transistor that is electrically connected between the first node and a data voltage; a third transistor that is electrically connected between the first node and a power supply line that supplies a high potential voltage; and a storage capacitor that includes a first electrode connected to the high potential voltage and a second electrode connected to the second node.

Pixel circuit for forming slim bezel and display device including the same

A light emitting display apparatus includes a pixel driving circuit including a driving transistor and an anode reset capacitor connected to a gate of the driving transistor and a light emitting device configured to emit light with a current supplied through the driving transistor. An anode reset period, where a data voltage is not supplied to the driving transistor, is between refresh periods where the light emitting device emits the light with the data voltage supplied to the driving transistor, and an anode reset voltage supplied to the anode reset capacitor in the refresh period is higher than an initial voltage which is input to the gate of the driving transistor in the refresh period.

Light emitting display apparatus

Pixel circuit for forming a slim bezel

A display device include a substrate on which a plurality of first sub-pixels disposed in first columns and a plurality of second sub-pixels disposed in second columns are defined; a plurality of data lines disposed on one sides of the plurality of first sub-pixels and the other sides of the plurality of second sub-pixels; and a plurality of parking voltage lines disposed between the plurality of first sub-pixels and the plurality of second sub-pixels, wherein the plurality of parking voltage lines are configured to be electrically connected to some of the plurality of data lines. Accordingly, by applying the same parking voltage to the parking voltage lines and the data lines during a blank frame, flicker can be reduced.

Display device

An organic light emitting display device includes a plurality of sub pixels including a plurality of red sub pixels, a plurality of green sub pixels, and a plurality of blue sub pixels, wherein each sub pixel of the plurality of sub pixels includes an emission region and a non-emission region surrounding the emission region, wherein each sub pixel of the plurality of sub pixels has the same size, wherein areas of emission regions of green sub pixels are the same as or larger than an area of an emission region of at least one red sub pixels and blue sub pixels, and wherein the emission region of green sub pixels extends into a portion of the non-emission region of the red sub pixels or a portion of the non-emission region of the blue sub pixels.

Organic light emitting display device having sub pixels of different areas and distances

A light emitting display panel and a light emitting display apparatus using the same are disclosed, in which a gate driver is built in a display area and a low voltage supply line is provided in a non-display area. Each pixel in the display area includes a light emitting diode and a pixel driving circuit for driving the light emitting diode. The light emitting diode is connected with a high voltage line to which a first driving voltage is supplied, and is connected with a display area low voltage supply line to which a second driving voltage is supplied.

Light emitting display panel and light emitting display apparatus using the same

In pixels included in a display panel of an light emitting diode display, each pixel on an nth pixel row, where n is a natural number, includes a light emitting diode including an anode electrode connected to a node C and a cathode electrode connected to an input terminal of a low potential driving voltage, a driving TFT including a gate electrode connected to a node A, a drain electrode connected to a node B, and a source electrode connected to a node D, a first TFT connected between the node A and the node B, a second TFT connected to the node C, a third TFT connected between a data line and the node D, a fourth TFT connected between an input terminal of a high potential driving voltage and the node B, and a fifth TFT connected between the node D and the node C.

Organic light emitting diode display with threshold voltage compensation

An organic light emitting display comprises a display panel having a plurality of pixels, a gate drive circuit that drives scan lines and emission lines on the display panel, and a data drive circuit that drives data lines on the display panel, (n&#x2212;1)th and nth pixels arranged in a row, a transistor array having a driving transistor, a sampling transistor, and a first initial transistor, and a capacitor connected between an initial voltage input terminal and the sampling transistor. A gate electrode of the first initial transistor for initializing the driving transistor of the nth pixel is connected to a scan line in the (n&#x2212;1)th pixel.

Organic light emitting display

An electroluminescent display is disclosed. An electroluminescent display comprises a display panel including a plurality of pixels, each of the plurality of pixels including subpixels. A pixel circuit of each subpixels includes a driving transistor configured to drive the electroluminescent diode, a first switching transistor configured to supply a first voltage to a gate of the driving transistor in response to a first scan signal, a second switching transistor configured to supply a second voltage to the gate of the driving transistor in response to a second scan signal, a third switching transistor configured to supply the second voltage to a first electrode of the driving transistor in response to the second scan signal, a fourth switching transistor configured to supply a first supply voltage to a second electrode of the driving transistor in response to an emission control signal, a first capacitor between a first node connected to the gate electrode of the driving transistor and a second node connected to the second electrode of the driving transistor, and a second capacitor between the second node and a power supply line supplied with the second voltage or the first supply voltage.

Electroluminescent display

Disclosed is an electroluminescent display device. The electroluminescent display device includes a display area and a non-display area. And the electroluminescent display device includes a display panel including a plurality of pixel lines each including a plurality of pixel circuits.

Electroluminescent display device

Provided is an organic light emitting diode (OLED) display which includes a driving circuit and pixels arranged on pixel rows. In a (j&#x2212;1)-th horizontal period, the driving circuit samples a threshold voltage of a driving Transistor (DT) of each pixel arranged on the (j&#x2212;1)-th pixel row, and initializes a voltage of a gate electrode of a driving TFT of each pixel arranged on the j-th pixel row. In addition, in a j-th horizontal period, the driving circuit samples a threshold voltage of the driving TFT of each pixel arranged on the j-th pixel row.

Organic light emitting diode (OLED) display and driving method thereof

Growing community of inventors

Paju-si, South Korea

JungChul Kim