Playnitride Display Co., Ltd.

Kuan-Yung Liao

Yun-Li Li

Sheng-Yuan Sun

Yi-Ching Chen

Zong Huei Tsai

Yi-Chun Shih

Yu-Chu Li

Kun-Hua Tsai

Yu-Yun Lo

Bo-Wei Wu

Pei-Hsin Chen

Ying-Tsang Liu

Cheng-Chi Lo

Yin-En Wu

Tzu-Yu Ting

A driving circuit includes a first driving transistor and a second driving transistor. The first transistor has a first end to receive a power voltage, a control end of the first driving transistor receives a first control signal, and a second end of the first driving transistor is coupled to a light emitting component. The second transistor has a first end to receive a power voltage, a control end of the second driving transistor receives a second control signal, and a second end of the second driving transistor is coupled to the light emitting component. The first transistor provides a first driving current to the light emitting component according to the first control signal, and the second transistor provides a second driving current to the light emitting component according to the second control signal.

Driving circuit

A micro LED transparent display has a first display surface and a second display surface, which are opposite to each other. The micro LED transparent display includes a substrate, pixels and at least one grating layer. The first display surface and the second display surface are located on two opposite sides of the substrate, respectively. The pixels are arranged in arrays on the substrate, each of the pixels includes micro LEDs, and the micro LEDs are electrically connected to the substrate. The grating layer is disposed on the substrate, and the micro LEDs are located between the grating layer and the substrate. Lights generated from the micro LEDs of the pixels can be controlled by the grating layer, and the lights partially penetrate through the first display surface and are partially reflected and penetrate through the second display surface.

Micro LED transparent display

A micro light emitting diode display panel including a plurality of display units and a control element is provided. The plurality of display units are arranged in an array and each of the plurality of display units includes a first sub-pixel. The first sub-pixel includes a first micro light-emitting diode and a second micro light-emitting diode. The control element is configured to control light emission of the first micro light-emitting diode and the second micro light-emitting diode and determines operating currents of the first micro light-emitting diode and the second micro light-emitting diode. In a same display image, the operating current of the first micro light-emitting diode increases as an operating temperature of the first sub-pixel increases.

Micro light-emitting diode display panel

A pixel circuit includes a current generator, a switch, and a time controller. The pixel circuit is configured in a display panel. The current generator provides a driving current, and controls the driving current according to a pulse amplitude modulation mechanism. The switch is coupled in series with the current generator and a light-emitting component, and is turned on or off according to a control signal, wherein the control signal is a pulse width modulation signal. The time controller generates the control signal, receives a set voltage, and adjusts a pulse width of the control signal according to a voltage value of the set voltage.

Pixel circuit and display panel

A multi-layer display module includes a first display panel, and a second display panel. Dimension of long side of the first display panel is D1, and the first display panel has first pixel resolution P1. The second display panel is located on one side of the first display panel and overlapped with the first display panel. There is a space d between the first display panel and the second display panel. Dimension of the long side of the second display panel is D2, and the second display panel has the second pixel resolution P2. Transmittance of the second display panel is T2. The multi-layer display module complies with T2>40%, P1≠P2, and

Multi-layer display module

A micro-LED display device mainly has a plurality of pixel areas arranged in matrix and a driving circuit. Each pixel area has a plurality of sub-pixel areas arranged adjacent to each other. In a first driving mode, the driving circuit enables the rows of pixel areas in sequence. When one of rows of pixel areas is enabled, the driving circuit controls one sub-pixel area of each pixel area on the enabled row of pixel areas to display an image color. In a second driving mode, the rows of pixel areas are also enabled in sequence. When one of rows of pixel area is enabled, the driving circuit drives all sub-pixel areas of each pixel area on the enabled row of pixel area to synchronously display the same image color. Therefore, a high-brightness requirement is met, and the overall power consumption is not increased.

Micro-LED display device

A multi-layer display module includes a first display panel, and a second display panel. The second display panel is located on one side of the first display panel and overlapped with the first display panel. There is a space between the first display panel and the second display panel. Transmittance of the second display panel is T, luminance of the first display panel is L, and luminance of the second display panel is L. The multi-layer display module complies with

Multi-layer display module including two display panels with a space therebetween

A multi-layer display module includes a first display panel, a second display panel, a driving device, and an image composition control unit. The second display panel is located beside the first display panel and overlaps the first display panel. The first display panel and the second display panel have an interval therebetween. The driving device is configured to simultaneously provide image signals to the first display panel and the second display panel. An object image displayed in the first display panel is a first object image. An object image displayed in the second display panel is a second object image. The image composition control unit is configured to increase a size of the first object image displayed on the first display panel or decrease a size of the second object image displayed on the second display panel according to information of a relative position of an outside viewer.

A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.

Selectable-repairing micro light emitting diode display and repairing method thereof

The present invention discloses a flexible micro device display panel which comprises a substrate, a plurality of micro light emitting units, a first trace line, and a backup conductive line. The substrate comprises a display region having a bending area and a non-bending area. The plurality of micro light emitting units are disposed on the substrate within the display region. The first trace line is arranged from the non-bending area to the bending area. The backup conductive line is disposed at a second metal layer and coupled with the first trace line. The first metal layer and the second metal layer are disposed on the substrate, and the distance between the substrate and the first metal layer is different from the distance between the substrate and the second metal layer. The backup conductive line is not disposed within the non-bending area.

Flexible micro device display panel

Micro LED display device and driving method thereof. The display device includes a display substrate and a data driving circuit. The display substrate includes multiple pixels, and each pixel includes a first subpixel and a second subpixel. The first subpixel has a first subpixel circuit and a first light-emitting element. The second subpixel has a second subpixel circuit and a second light-emitting element. The first subpixel circuit and the second subpixel circuit are configured independently. The data driving circuit is electrically connected to the first and the second subpixel circuits. The data driving circuit transmits a first data signal to the first subpixel circuits to drive the first light-emitting elements and a second data signal to the second subpixel circuits to drive the second light-emitting elements. The first data signal is a PWM signal, and the second data signal is a PAM signal.

Micro light-emitting diode display device and driving method thereof

A transparent display panel with a light-transmitting substrate, a plurality of top-emitting micro light emitting diodes, a plurality of bottom-emitting micro light emitting diodes, and a light shielding layer. The light transmissive substrate has a surface. These top-emitting micro light emitting diodes and these bottom-emitting micro light emitting diodes are disposed on the surface of the light transmissive substrate. The bottom-emitting micro light emitting diodes has an epitaxial structure and a light shielding member, the epitaxial structure has a pair of upper and lower surfaces on the opposite sides, the lower surface faces toward the light transmissive substrate, and the light shielding member is disposed on the upper surface to shield the light emitted by the bottom-emitting micro light emitting diodes towards the upper surface.

Transparent display panel

A micro LED display device includes a micro light emitting unit, a conductive structure and a substrate. The micro light emitting unit includes a plurality of micro light emitting elements, and each of the micro light emitting elements includes a semiconductor structure and an electrode structure. The semiconductor structure includes a first type semiconductor layer, a light emitting layer and a second type semiconductor layer. The electrode structure includes a first type electrode and a second type electrode. The conductive structure includes a first type conductive layer and a second type conductive layer. The first type conductive layer is electrically connected to the first type electrode, and the second type conductive layer is electrically connected to the second type electrode. The micro light emitting unit is disposed on the substrate, and the electrode structure is disposed toward the substrate and includes a gap therebetween.

Micro LED display device and manufacturing method thereof

A micro LED display panel and a pixel driving circuit thereof. The pixel driving circuit is used for driving a light-emitting unit, which includes a plurality of micro LEDs connected in series. The pixel driving circuit includes a switch unit, a driving unit and a selection unit. The switch unit controls a data signal input according to a scan signal. The driving unit is electrically connected to the switch unit and the light-emitting unit, and is electrically connected to a first voltage. The selection unit receives a selection signal and is electrically connected to a second voltage. The selection unit is electrically connected to the micro LEDs and the driving unit. The number and brightness of the micro LEDs to be turned on are controlled by the selection unit and the driving unit according to the selection signal and the data signal.

Growing community of inventors

Miaoli County, Taiwan

Kuan-Yung Liao