Samsung Electronics Co., Ltd.

Sungkyunkwan University

Sangmin Shin

Jinho Kim

Youngki Jung

Yeunwook Lim

Hoseop Lee

Changjoon Lee

Donghoon Kang

Dongmyung Son

Seongphil Cho

Jikwang Kang

Jongsu Oh

Jeonghoon Kim

Zion Kwon

Gyun Heo

Kyungwoon Jang

Soonmin Hong

Chulgyu Jung

Kisun Kang

Yeojeong Yoon

Hojin Jeon

Kyuhong Kim

Tetsuya Shigeta

Jin Su Park

Jiwoo Lee

Jin Woo Park

Sangyoung Park

Yongsang Kim

Taesoon Park

Yusun Cheong

Wonsoon Park

Sangheon Kim

Yongwook Kim

Jongwu Baek

Inhyung Jung

Banghyun Kwon

Yong-Sang Kim

Donggun Oh

Jihoon Kang

Hyunwoong Kwon

Jinhee Kang

Ohyoon Kwon

Gangheok Kim

Youngkyong Jo

Deokgyoon Yoon

A display module may include a plurality of pixels, wherein each of the plurality of pixels includes a plurality of subpixels of different colors that are disposed in a matrix form. Each of the plurality of subpixels includes an inorganic light emitting element, a constant current generator which provides a constant current to the inorganic light emitting element, and a pulse width modulation (PWM) circuit which includes a first depletion mode driving transistor, and controls a time during which the constant current flows through the inorganic light emitting element based on a PWM data voltage applied to a gate terminal of the first depletion mode driving transistor and a threshold voltage of the first depletion mode driving transistor.

Display module and driving method of display module

Provided are a light emitting diode (LED) module that enables a freedom in structure design thereof using a fan-out interconnection and an insulating layer, and a display device having the same. The LED module having a multi-layer structure includes substrate; a LED located on the substrate and emitting light toward the substrate; a plurality of upper electrodes located on the LED and connected to the LED; an upper insulating layer provided to surround the plurality of upper electrodes; a film on glass (FOG) electrode located on the upper insulating layer; and a fan out interconnection structure configured to connect the plurality of upper electrodes to the FOG electrode through the upper insulating layer.

Light emitting diode module and display device having the same

A light emitting diode (LED) panel is provided. The LED panel includes a thin-film transistor (TFT) backplane which includes an insulator film disposed on a top surface of a substrate, a plurality of organic films disposed on a top surface of the insulator film, and pixel electrodes disposed on a top surface of each of the plurality of organic films. The LED panel further includes a plurality of LEDs respectively bonded to the pixel electrodes disposed on the top surface of each of the plurality of organic films, wherein the plurality of organic films has the different heights according to a type of each of the plurality of LEDs respectively bonded to the pixel electrodes disposed on the top surface of each of the plurality of organic films.

Light emitting diode panel and method for manufacturing the light emitting diode panel

A display substrate is disclosed. The disclosed display substrate can comprise: a thin film transistor substrate; a plurality of micro LEDs arranged on one surface of the thin film transistor substrate; a rear substrate having one surface coupled to the other surface of the thin film transistor substrate, and having at least a part of an edge protruding further than the edge of the thin film transistor substrate so as to form a stepped part together with the thin film transistor substrate; and a plurality of wirings formed on the stepped part and the other surface of the rear substrate so as to electrically connect the one surface of the thin film transistor substrate and the other surface of the rear substrate.

Display panel and large display device using same

A display panel is disclosed. The disclosed display panel includes a thin film transistor substrate, a plurality of micro LEDs arranged on one surface of the thin film transistor substrate, a plurality of first connection pads disposed on the one surface of the thin film transistor substrate, a plurality of second connection pads disposed on the other surface of the thin film transistor substrate that faces the one surface, and a plurality of connection wirings disposed on a side surface of the thin film transistor substrate for electrically connecting each of the plurality of first connection pads and the plurality of second connection pads, wherein at least one of an edge region on the one surface and an edge region on the other surface of the thin film transistor substrate includes a cutting area which is cut in an inward direction of the thin film transistor substrate.

Display panel

A display panel is provided. The display panel according to an embodiment includes a thin film transistor glass substrate, a plurality of micro light emitting diodes (LEDs) arranged on one surface of the thin film transistor glass substrate, and a plurality of side wirings formed at an edge of the thin film transistor glass substrate to electrically connect the one surface of the thin film transistor glass substrate to an opposite surface to the one surface.

Display panel and large format display apparatus using the same

A display module including a glass substrate; a thin film transistor layer disposed in a first area of the glass substrate; a plurality of connection pads disposed in a second area extending from the first area of the glass substrate and electrically connected to the thin film transistor layer; a plurality of test pads disposed in a third area extending from the second area of the glass substrate and electrically connected to the plurality of connection pads, respectively, and a plurality of connection wirings electrically connecting the plurality of connection pads and the plurality of test pads.

Display module with improved electrical test and manufacturing method of the display module

A display panel including a plurality of pixels is provided. The display panel includes: a plurality of light emitting elements configured to constitute each pixel of the plurality of pixels; and a plurality of pixel circuits respectively corresponding to the plurality of light emitting elements and configured to drive the plurality of light emitting elements, wherein the plurality of pixel circuits includes a first pixel circuit for pulse width modulation (PWM)-driving a first light emitting element among the plurality of light emitting elements and a second pixel circuit for pulse amplitude modulation (PAM)-driving a second light emitting element among the plurality of light emitting elements.

Display panel and driving method of the display panel

A display module includes a display panel including an inorganic light emitting element and a pixel circuit configured to provide a driving current to the inorganic light emitting element; and a driver configured to drive the pixel circuit. The pixel circuit includes a pulse amplitude modulation (PAM) circuit configured to control an amplitude of the driving current based on an applied PAM data voltage, and a pulse width modulation (PWM) circuit configured to control a pulse width of the driving current based on an applied PWM data voltage. The driver includes a power supply circuit configured to provide, to the PAM circuit, a first power supply voltage for driving the PAM circuit, and provide, to the PWM circuit, a second power supply voltage for driving the PWM circuit.

Display module and driving method thereof

A display apparatus is provided. The display apparatus includes a plurality of anode pads disposed on a substrate and spaced apart from each other along a first direction; a cathode pad disposed on the substrate and spaced apart from the plurality of anode pads along a second direction that crosses the first direction; a plurality of repair anode pads disposed on the substrate, spaced apart from each other along the first direction, and spaced apart from the plurality of anode pads and the cathode pad along the second direction; and a plurality of light emitting diodes (LEDs) disposed on the substrate and spaced apart from each other along the first direction, each of the plurality of LEDs including an anode that is electrically connected to a corresponding anode pad from among the plurality of anode pads and a cathode that is electrically connected to the cathode pad.

Display apparatus and manufacturing method thereof

An apparatus and a method for detecting a black area of dynamic image content in an electronic device are provided. The electronic device may include a housing, a display device exposed through a portion of the housing, a recess disposed inside the housing and extending along a length of the housing, an electronic pen insertable into the recess and removable therefrom, at least one processor located inside the housing and operatively connected to the display device, and a memory operatively connected to the at least one processor. The memory stores instructions that, when executed, cause the at least one processor to identify whether the electronic pen is removed from the recess in a low-power mode, receive information related to the electronic pen when the electronic pen is removed from the recess, and execute an application, based on at least a portion of the information related to the electronic pen.

Method of controlling operation mode using electronic pen and electronic device for same

Various embodiments of the present disclosure relate to an electronic device for supporting a user input and a control method of the electronic device, and the disclosed electronic device may: identify occurrence of a first event; display a first user interface, provided by a first application program, on a display according to the occurrence of the first event; receiving, through the first user interface, a user input including an indicator indicating a category; and when the user input is received, display, on the display, a category corresponding to the user input among at least one category provided by a second application program. Various other embodiments are possible.

Electronic device for supporting user input and control method of electronic device

An electronic device is disclosed. The disclosed electronic device comprises: a touch screen display structure; a first wireless communication circuit; a second wireless communication circuit; a stylus pen including at least one button which can be pressed or touched; a processor operationally connected to the touch screen display structure and the first wireless communication circuit; and a memory operationally connected to the processor. A first application program including a first user interface, and a second application program including a second user interface are stored in the memory. The memory has instructions stored therein which are configured to cause, when executed, the processor to: execute the first application program and second application program when a user input is received; display at least one of the first user interface and second user interface by means of the touch screen display structure; receive a first signal, which is generated by the press or touch of the button for a first time period, from the stylus pen through the first wireless communication circuit; select one from the first application program and second application program on the basis of the first signal; change at least part of information displayed on the screen, at least partly on the basis of the selection; receive a second signal, which is generated by the press or touch of the button for a second time period different from the first time period, from the stylus pen through the first wireless communication circuit; and at least partly on the basis of the selection, perform a function of the first application program or a function of the second application program in response to the second signal. Various other embodiments are possible.

Electronic device and method for performing function of electronic device

Electronic device and system. Electronic device includes a housing, a touch screen display disposed within housing and exposed through at least a portion of housing, a camera, a wireless communication circuit disposed within housing, a position sensor, a motion sensor, a processor disposed within housing and operatively connected to display, camera, wireless communication circuit, position sensor, and motion sensor, and a memory disposed within housing and operatively connected to processor, wherein the memory is configured to store instructions causing, upon execution, the processor to capture an image by using the camera, receive the captured image from the camera, receive position data associated with the captured image from the position sensor, receive orientation data associated with the captured image from the motion sensor, receive a user input for adding an object to the captured image through the display, and transmit the object, the captured image, the position data, and the orientation data to an external server through the wireless communication circuit.

Electronic device and system for generating 3D object based on 3D related information

A display panel is provided. The display panel may include a glass, a driver formed on a first surface of the glass, and a circuit layer formed on a second surface of the glass. The circuit layer may include a plurality of pixel circuits configured to drive a plurality of micro light emitting diodes (LEDs) forming a plurality of pixels of the display panel; a plurality of driving circuits which are respectively connected to the driver via wiring formed over at least one side surface of the glass, and configured to supply driving signals to the plurality of pixel circuits based on signals received from the driver; and a plurality of redundancy driving circuits connected to the plurality of respective driving circuits in parallel, the plurality of redundancy driving circuits having a same circuit structure as the plurality of respective driving circuits.

LED display panel and repairing method

Growing community of inventors

Suwon-si, South Korea

Sangmin Shin