Novatek Microelectronics Corp.

Taiwan Oasis Technology Co., Ltd.

Realtek Semiconductor Inc.

Che-Wei Yeh

Yu-Hsiang Wang

Keko-Chun Liang

Yong-Ren Fang

Po-Hsiang Fang

Yi-Chuan Liu

Ju-Lin Huang

Shen-Iuan Liu

Tzu-Chien Tzeng

Shih-Meng Liao

Yi-Yang Tsai

Hsu-Chih Wei

Ho-Chun Chang

Jhih-Siou Cheng

Chun-Chieh Chan

Chieh-An Lin

Wei-Long Lee

Chien-Hsun Lu

Chun-Wei Kang

Nien-Tsung Hsueh

Chang-Cheng Huang

Zhan-Yao Gu

Po-hsiang Fang

A light-emitting-diode driver structure applicable to driving a display panel and operation method thereof are provided. The LED driver structure includes at least one LED driving group, and the LED driving group is composed of a plurality of LED driving circuits which are serially connected in cascade. Each LED driving circuit of the LED driving group receives a data input signal in common. Upon receiving control signals, output signals are generated to drive the display panel. The multi-point driving circuit scheme can be fully or partially applied in the driver structure as required. In addition, a plurality of enable signals can be further adopted to activate each LED driving circuit, for avoiding the FIFO register used in the prior arts. By employing the disclosed technical contents, the present invention is effective in reducing both redundant power waste and circuit layout area of a conventional LED driver.

Light-emitting-diode driver structure applicable to driving a display panel and operation method thereof

A control system includes a plurality of driving circuits coupled in series, which include a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a first flag signal selector. The first transmitter is coupled to the first receiver, and the first flag signal selector is coupled between the first receiver and the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver, a second transmitter and a second flag signal selector. The second transmitter is coupled to the second receiver, and the second flag signal selector is coupled between the second receiver and the second transmitter.

Control system with cascade driving circuits and related driving method

A display control system for controlling a display panel having a plurality of display zones includes a main controller, a plurality of display driver circuits and a plurality of memories. Each of the display driver circuits is coupled to a corresponding display zone among the plurality of display zones, to control the corresponding display zone. Each of the memories is coupled to a corresponding display driver circuit among the plurality of display driver circuits, to store a compensation data for the corresponding display zone controlled by the corresponding display driver circuit. The plurality of display driver circuits are cascaded through a plurality of first transmission channels and connected through at least one second transmission channel, and each of the first transmission channels is coupled between two of the plurality of display driver circuits or between one of the plurality of display driver circuits and the main controller.

Display control system for splicing screen

A light-emitting diode LED driver and a LED driving device including the LED driver are provided. The light-emitting diode LED driver includes a decoding circuit that receives a data signal and decodes the data signal to generate display data used to drive LEDs to emit light and display and a recovered clock signal. Further provided is an encoding circuit that encodes the decoded display data by using the recovered clock signal to generate an encoded data signal, where the data signal is encoded in a first encoding format, and the encoded data signal is encoded in a second encoding format.

Light-emitting diode driver and light-emitting diode driving device

The present disclosure provides a method for a display driver system and a display driver system. The method comprises: the control circuit transmitting a global signal and a first signal for a LED driver circuit in each stage to a first-stage LED driver circuit, wherein the global signal includes an command for indicating an operation mode of the LED driver circuit in each stage; the LED driver circuit in each stage determining the operation mode corresponding to the command according to the global signal, identifying a corresponding first signal of the LED driver circuit in the stage, and operating according to the determined operation mode and the corresponding first signal; and the LED driver circuit in each stage except for last stage transmitting the global signal to the LED driver circuit in its next stage, and in response to a completion of operation according to the determined operation mode and the corresponding first signal, transmitting the first signal for the LED driver circuit in each of sequential stages to the LED driver circuit in its next stage.

Method for display driver system and display driver system

A transmitter is configured to transmit a series of command signals and a series of data signals. The transmitter includes a serializer and a multiplexer. The serializer is configured to generate the series of data signals. The multiplexer, coupled to the serializer, is configured to selectively output the series of command signals or the series of data signals.

Receiver and transmitter for high speed data and low speed command signal transmissions

The disclosure provides a data receiver, including a first capacitor, a second capacitor, a first inverter and a second inverter. The first capacitor has a first terminal and a second terminal, and the first terminal receives a first input signal. The second capacitor has a third terminal and a fourth terminal, and the third terminal receives a second input signal. The first inverter has a first input terminal and a first output terminal. The second inverter has a second input terminal and a second output terminal. The first input terminal and the second output terminal are coupled to the second terminal of the first capacitor, and the second input terminal and the first output terminal are coupled to the fourth terminal of the second capacitor. The first output terminal generates a first output signal with a first output voltage, and the second output terminal generates a second output signal with a second output voltage.

Data receiver for achieving functions of level shifter and amplifier circuit

A data conversion device includes a storage circuit and a frequency tuning circuit. The storage circuit is configured to store a pixel data in a high definition multimedia interface (HDMI) signal according to a first clock, and output an image data according to a second clock. The frequency tuning circuit is configured to adjust the second clock according to a control signal and the second clock in the HDMI signal, and transmit the adjusted second clock to the storage circuit.

Data conversion and high definition multimedia interface receiving device

A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N&#x2212;1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N&#x2212;1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.

Light-emitting diode driving apparatus and light-emitting diode driver

A display control system includes a plurality of driver circuits connected in series. A driver circuit among the plurality of driver circuits includes a receiver, a duty cycle correction circuit and a transmitter. The receiver is configured to receive a first signal from a previous driver circuit among the plurality of driver circuits. The duty cycle correction circuit, coupled to the receiver, is configured to adjust a duty cycle of the first signal to generate a second signal. The transmitter, coupled to the duty cycle correction circuit, is configured to transmit the second signal to a next driver circuit among the plurality of driver circuits.

Display control system and related method of signal transmission

A clock generator includes a pulse generator and a duty cycle correction circuit. The pulse generator is configured to receive an input clock signal and generate a pulse signal according to the input clock signal. The duty cycle correction circuit, coupled to the pulse generator, is configured to adjust a duty cycle of the pulse signal to generate an output clock signal.

Clock generator for frequency multiplication

An assembly structure includes an outer joint assembly and an inner joint assembly. At least one terminal portion of the outer joint assembly is hollow to form an accommodating space, the outer joint assembly includes an outer casing and at least one elastic sheet, the elastic sheet has a fixed end and a free end, the fixed end is connected to the outer casing, and the free end is provided with a first engaging part. The outer surface of the inner joint assembly is provided with a second engaging part, the inner joint assembly is used to extend into the accommodating space, and the first engaging part and the second engaging part are used to engage with each other. Through the above design, the assembly structure has quick connect capability, which makes it more convenient for users to use.

Assembly structure

A control system includes a plurality of driving circuits coupled in series, which includes a first driving circuit and a second driving circuit. The first driving circuit includes a first receiver, a first transmitter and a replica receiver. The first transmitter is coupled to the first receiver, and the replica receiver is coupled to an output terminal of the first transmitter. The second driving circuit, coupled to the first driving circuit, includes a second receiver and a second transmitter. The second receiver is coupled to the first transmitter, and the second transmitter is coupled to the second receiver.

A LED driving apparatus with differential signal interfaces is introduced, including: N-stages LED drivers, wherein the first stage LED driver receives a first data packet differential signal and a first clock differential signal and outputs a second data packet differential signal and a second clock differential signal, the Mth stage LED driver receives a Mth data packet differential signal and a Mth clock differential signal and outputs a (M+1)th data packet differential signal and a (M+1)th clock differential signal.

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Hsinchu, Taiwan

Che-Wei Yeh