Samsung Display Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Lg Innotek Co., Ltd.

Lg Electronics Inc.

Other

Cj Cheiljedang Corporation

Coupang, Corporation

Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Suzhou Lekin Semiconductor Co., Ltd.

Hyun Joon Kim

Minsoo Kim

Jun Ki Jeong

Kyung Hoon Chung

Min Jae Jeong

Mee Hye Jung

Kyung Bae Kim

Jong Chan Lee

Jun Hyun Park

Chong Chul Chai

Cheol-Gon Lee

Il Gon Kim

Seung Chan Lee

Sun Hee Lee

Gun Hee Kim

Sang Ho Park

Sunho Kim

Dae Hee Lee

Jae Keun Lim

Jin Taek Kim

Eun Jung Lee

Hyun Min Cho

Hoon Bae Kim

Dong-Hoon Lee

Ki Chul Shin

Min Soo Kim

Sang Hoon Lee

Jongwoo Kim

Dong-Hyun Kim

Jonghyun Choi

Sanghun Lee

Mee-Hye Jung

Kwang-Min Kim

Taehoon Yang

Chul Min Kim

Ju-Yong Kim

Sun Ho Kim

Kinyeng Kang

Jun-Won Suh

Sunhee Lee

Seunghwan Cho

Cheol Jang

Seung Hwan Cho

Jun Ho Lee

Dong Hoon Lee

Jisu Na

Do Yeong Park

Seungmin Song

Min Kyu Woo

Min Woo Byun

Gunhee Kim

Jung Hwan Hwang

Kye Uk Lee

Sang Jin Jeon

Hae Min Kim

Jeong Su Park

Jang Mi Kang

Myeong Hun Song

Hee Rim Song

Hyun Wook Lee

Bon Yong Koo

Jung Eun Hong

Woong Hee Jeong

Jong Hee Kim

Sim Chung Kang

Kum Tae Lee

Jun Ok Moon

Hae Il Jeong

Yong Sung Park

Juchan Park

Jangmi Kang

Juyong Park

Seon Young Choi

Joo Hee Jeon

In-Jae Hwang

Kyung-Bae Kim

Ju Chan Park

Chung Sock Choi

Kyoung Ju Shin

Woo Sik Lim

Man-Seok Han

Sang Hwan Cho

Kap Soo Yoon

Jun Sik Shin

Cheol Gon Lee

Se-Hyoung Cho

Jeong Hyun Lee

Ki Wook Kim

Sang Jo Lim

No Kyung Park

Ming-Zi Hong

Jung Gun Nam

Seon Beom Ji

Jong-Hee Kim

JaeHyun Kim

Sung Geun Bae

Kwang Soo Lee

Jin-Hong An

So Young Lee

Da Sol Jeong

An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.

Emissive display device

A display device includes a pixel including a first light emitting element, a second light emitting element, and a third light emitting element that are arranged at equal distances from each other along a first direction, first pixel electrodes arranged along the first direction and contacting the first to third light emitting elements, and second pixel electrodes paired with the first pixel electrodes, arranged along the first direction, and contacting the first to third light emitting elements. Each of the first to third light emitting elements includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, and includes a mesa area in which one of the first and second semiconductor layers is partially exposed by another thereof. The mesa area of the first light emitting element is in contact with one of the first pixel electrodes.

Display device and tiled display device

A camera module includes a first prism having refractive power, a first lens module disposed adjacently to an object-side surface of the first prism, and a first driving member driving the first lens module in a direction intersecting an optical axis.

Camera module

A display device comprises anode electrodes respectively corresponding to sub-pixels, cathode electrodes respectively corresponding to the sub-pixels and respectively spaced apart from the anode electrodes, a cathode line electrically connected to the cathode electrodes, anode pads respectively overlapping the plurality of anode electrodes in a plan view, cathode pads respectively overlapping the cathode electrodes in a plan view, and a cathode line pad overlapping at least part of the cathode line in a plan view.

Display device and titled display device

A display device includes a substrate including an emission area and a non-emission area, a pixel circuit layer above the substrate, and including a transistor and a signal line in the non-emission area, and a color conversion pattern in the emission area, a light emitting element above the color conversion pattern, and electrically connected to the transistor, an insulating layer covering the light emitting element, and a pad above the insulating layer, and electrically connected to the signal line, wherein the color conversion pattern is configured to convert a wavelength band of light incident from the light emitting element.

A display device includes a first electrode on a substrate and a second electrode spaced from the first electrode, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer and on the first electrode and the second electrode, a first connection electrode on the first electrode and contacting a first end of each of the plurality of light emitting elements, and a second connection electrode on the second electrode and contacting a second end of each of the plurality of light emitting elements, wherein each of the plurality of light emitting elements includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer between the first semiconductor layer and the second semiconductor layer, and an insulating film surrounding at least the light emitting layer.

Light emitting element with an insulating film comprising multiple pair layers

A display device includes a pixel, the pixel including: a light emitting element; a first pixel circuit including at least one capacitor and at least one transistor, and to generate a sweep signal that changes linearly over time from a voltage level of a data signal received through a data line; and a second pixel circuit including at least one transistor, and to adjust a duty cycle of a current flowing through the light emitting element based on the sweep signal.

Display device

A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.

Light emitting diode display device

Provided is a display device including a substrate, a circuit layer disposed on a first surface of the substrate, a light emitting element layer, and a circuit board disposed on a second surface of the substrate. The circuit layer includes pixel drivers, gate lines, a first power supply line and a second power supply line respectively transmitting a first power and a second power, and a gate driver including stages electrically connected to the gate lines, respectively. The second power supply line is electrically connected to the circuit board through power connection portions. The power connection portions are disposed between a number of the stages adjacent to a curved corner of the substrate among the stages of the gate driver.

A display device includes a display area including light emitting elements in a first pixel row, pixel circuits in a first circuit row and electrically connected to the first pixel row, light emitting elements in a second pixel row between the first pixel row and the first circuit row, pixel circuits in a second circuit row and electrically connected to the second pixel row, and a gate driver including a first stage disposed between the pixel circuits of the first circuit row and a second stage disposed between the pixel circuits of the second circuit row. A distance between adjacent pixel circuits with the first stage between the adjacent pixel circuits in the first circuit row is greater than a distance between other pixel circuits of the first circuit row.

Display device and tiled display device including the same

A display device includes: first sub-pixels commonly connected to a first global data line, each including a first light emitting element to emit light of a first color; and second sub-pixels commonly connected to a second global data line different from the first global data line, each including a second light emitting element to emit light of a second color different from the first color. At least one of the first sub-pixels includes: a first circuit to supply a driving current to the first light emitting element based on a first global data voltage received from the first global data line; a second circuit to control a supply period of the driving current based on a data voltage received from a data line; and a test transistor including a first electrode connected to an anode of the first light emitting element, and a second electrode connected to the data line.

A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.

Display device, and tiled display device including the display device

A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

A display device includes a scan write line, a PWM emission line, a PAM emission line, a sweep signal line, a first data line, a second data line, and a subpixel connected thereto, and including a light emitting element, a first pixel driver to supply a control current to a node according to the first data voltage in response to the PWM emission signal, a second pixel driver to generate a driving current according to the second data voltage in response to the PWM emission signal, and a third pixel driver to supply the driving current to the light emitting element according to the PAM emission signal and a voltage of the node, wherein the PWM emission signal includes a plurality of PWM pulses, the PAM emission signal includes a plurality of PAM pulses, and a number of the PWM pulses is greater than a number of the PAM pulses.

Display device having a pixel driver with pulse width modulation and pulse amplitude modulation signals

A pixel circuit including a constant current driver including a first driving transistor for controlling a current through a light-emitting element, a first electrode thereof being connected to a first power source, and a second electrode thereof being connected to an anode electrode of the light-emitting element, and an emission time controller including a second driving transistor between a second power source and the constant current driver, and configured to control the emission time by turning off the first driving transistor after a time at which a Pulse Width Modulation data voltage corresponding to an input image is applied to a gate electrode of the second driving transistor, and based on a magnitude of the PWM data voltage, wherein the second driving transistor is turned on based on the magnitude of the PWM data voltage, to transfer a driving voltage from the second power source to the constant current driver.

Pixel circuit and driving method for display device including the pixel circuit

Growing community of inventors

Seoul, South Korea

Hyun Joon Kim