Samsung Electronics Co., Ltd.

Research & Business Foundation University

Hoseop Lee

Sangyoung Park

Jinho Kim

Tetsuya Shigeta

Sangmin Shin

Jongsu Oh

Youngki Jung

Daisuke Kawae

Donggun Oh

Junichi Yamashita

Kisun Kang

Yong-Sang Kim

Chulgyu Jung

Shigeta Tetsuya

A display module is provided. The display module includes a plurality of pixels, a first substrate, a plurality of micro pixel packages provided on the first substrate, and a plurality of voltage lines electrically connected between a set of micro pixel packages of the plurality of micro pixel packages that are adjacent to each other in a first direction. Each of the plurality of micro pixel packages includes a second substrate, a plurality of inorganic light-emitting elements provided on the second substrate, and a micro pixel controller provided on the second substrate and configured to control the plurality of inorganic light-emitting elements.

Display module, display apparatus, and method of manufacturing the same

A display module is provided. The display module includes a plurality of sub-pixel circuits, each sub-pixel circuit including: an inorganic light-emitting diode, a transistor connected in parallel with the inorganic light-emitting diode, and a pulse width modulation (PWM) circuit configured to control a light-emitting time of the inorganic light-emitting diode by controlling a voltage of a gate terminal of the transistor based on an applied PWM data voltage that is applied to the PWM circuit; and a pulse amplitude modulation (PAM) circuit which is connected in series with an inorganic light-emitting diode of one of the plurality of sub-pixel circuits, the PAM circuit being configured to provide a driving current having a constant amplitude to the inorganic light-emitting diodes, wherein the inorganic light-emitting diodes of the plurality of sub-pixel circuits are connected in series to each other.

Display module and display device

A display apparatus is provided having a plurality of pixels, which are arranged in M columns and N rows and arranged with a constant row space therebetween. The display apparatus includes a plurality of display modules and a housing configured to support the plurality of display modules. Each of the plurality of display modules includes a plurality of pixel packages each including some pixels of the plurality of pixels, and a plurality of micro pixel controllers each controlling the pixels included in each of the plurality of pixel packages. Each of the micro pixel controllers is disposed in the row space between the plurality of pixels to be long in a horizontal direction that is a row direction.

Display apparatus

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 device includes: a display panel including a pixel array, in which pixels that include a plurality of inorganic light-emitting devices of different colors are arranged in a matrix form, and a pixel circuit that is provided for each of the plurality of inorganic light-emitting devices, and the pixel circuit controls, on the basis of an applied image data voltage, the driving time and the magnitude of driving current provided to the inorganic light-emitting devices; a sensor which senses, on the basis of a voltage applied to the pixel circuit, a current flowing through a driving transistor included in the pixel circuit and which outputs sensing data corresponding to the sensed current; and a corrector which corrects, on the basis of the sensed data, the image data voltage applied to the pixel circuit.

Display apparatus and control method therefor

A display module and a display apparatus including the same are provided. The display module includes a module substrate; pixels provided on the module substrate; and a micro-pixel controller configured to supply drive currents to the pixels. The micro-pixel controller includes: a first input pad for receiving a power voltage; a second input pad for receiving a data voltage; pixel circuits configured to output the drive currents to the pixels; a control circuit configured to distribute the power voltage and the data voltage to the pixel circuits; a first ESD protection circuit connected to the first input pad and the control circuit through a first voltage line and configured to transmit the power voltage to the control circuit; and a second ESD protection circuit connected to the second input pad and the control circuit through a second voltage line and configured to transmit the data voltage to the control circuit.

Display module and display apparatus having the same

A display module includes a substrate; a plurality of pixels provided on a surface of the module substrate; a plurality of first micro-pixel controllers provided in spaces between the plurality of pixels, and a plurality of second micro-pixel controllers provided in a periphery area of the upper surface of the module substrate, wherein each of the plurality of first micro-pixel controllers controls two or more pixels of the plurality of pixels, and at least one function performed by the plurality of first micro-pixel controllers is different from at least one function performed by the plurality of second micro-pixel controllers.

A display module is provided. The display module includes a module substrate; a plurality of pixels provided on an upper surface of the module substrate; and a plurality of micro pixel controllers, each of the plurality of micro pixel controllers being configured to control at least two pixels among the plurality of pixels and being provided in a space between the at least two pixels on the upper surface of the module substrate, wherein at least one of the plurality of micro pixel controllers includes a slope waveform generator configured to generate a slope waveform used to control a brightness of each of the at least two pixels.

Display module and display apparatus including the same

A display module includes a plurality of pixels; a substrate; a plurality of inorganic LEDs arranged on the substrate, each of the plurality of pixels including two or more inorganic LEDs among the plurality of inorganic LEDs; and a plurality of micro-pixel controllers two-dimensionally arranged in a first direction and a second direction on the substrate, each of the plurality of micro-pixel controllers being configured to control two or more pixels among the plurality of pixels. Each micro-pixel controller of the plurality of micro-pixel controllers is electrically connected to micro-pixel controllers adjacent thereto, and is configured to convert a voltage input from one of the micro-pixel controllers that is electrically connected thereto in a direction opposite to the first direction into a target voltage and supply the target voltage to another micro-pixel controller of the micro-pixel controllers that is electrically connected thereto in the first direction.

Display module, display apparatus and method for manufacturing the same

A display apparatus, according to one or more embodiments, includes a timing controller configured to generate a timing control signal, and a plurality of display modules, each display module of the plurality of display modules including a plurality of pixels and a plurality of micro pixel controllers electrically connected to a plurality of inorganic light-emitting elements constituting two or more pixels, wherein each display module of the plurality of display modules is configured to switch the plurality of inorganic light-emitting elements based on the timing control signal, and wherein each of the plurality of micro pixel controllers switches the plurality of inorganic light-emitting elements causing a blanking period to be periodically generated in response to a frame rate being changed.

Display apparatus and control method thereof

A display panel includes a plurality of pixels arranged in a matrix, the plurality of pixels respectively including a plurality of sub pixels. The plurality of sub pixels respectively includes a light emitting element, and a PWM pixel circuit configured to control a light emitting duration of the light emitting element, based on a pulse width modulation (PWM) data voltage and a sweep voltage. A plurality of PWM pixel circuits included in the display panel are driven, for each of row lines of the plurality of pixels, in an order of a data setting period for setting the PWM data voltage and then a light emitting period in which the light emitting element emits light during a duration corresponding to the set PWM data voltage according to a change of the sweep voltage.

Display panel and driving method of the display panel

A display module including a plurality of pixels is provided. The display module according to an embodiment includes a plurality of inorganic light emitting elements constituting the plurality of pixels, a plurality of pixel circuits provided for each of the plurality of inorganic light emitting elements and providing a driving current corresponding to an applied grayscale data voltage to each of the plurality of inorganic light emitting elements, and an ESD (Electro Static Discharge) protection circuit arranged in at least one of the plurality of pixel circuits.

Display module including electro-static discharge protection circuit

A light emitting diode (LED) panel is provided. The LED panel includes a thin-film transistor (TFT) backplane which includes a plurality of LED bonding areas, and a plurality of LEDs which are respectively bonded to the plurality of LED bonding areas, wherein the plurality of LED bonding areas are formed to have different heights on the TFT backplane according to an LED type bonded thereto, and wherein a relatively thin LED from among the plurality of LEDs is bonded to an LED bonding area of a relatively low height from among the plurality of LED bonding areas.

A display apparatus including: a printed circuit board; and a plurality of display modules arranged adjacent in a length direction of the printed circuit board, each display modules of the plurality of the display modules including: a thin film transistor substrate; a plurality of micro LEDs arranged on a surface of the thin film transistor substrate; a flexible printed circuit board (FPCB) through which the printed circuit board and the thin film transistor substrate; and a driver controlling the plurality of micro LEDs disposed on a surface of the FPCB.

Growing community of inventors

Suwon-si, South Korea

Hoseop Lee