Raydium Semiconductor Corporation

Industrial Technology Research Institute

Yu-Lung Lo

Wei-Bin Yang

Yong-Nien Rao

Chih-Chuan Huang

Chih-Yu Lee

Yann-Hsiung Liang

Chien-Ming Chen

Po-Cheng Lin

Chien-Yu Chan

Jau-Liang Chen

Kuan-Hung Chou

Sheng-Lung Wu

Hsin-Yeh Wu

Ting-Sheng Jau

Kuan-Hsien Lee

Ting-Sheng Chao

Tien-Lou Ho

A micro-LED display system is disclosed. The micro-LED display system includes a host, a plurality of row/column drivers and a plurality of &#x3bc;ICs. The row/column drivers are coupled to the host through serial interfaces and used to provide a plurality of row clock signals and a plurality of column data signals respectively. The &#x3bc;ICs are arranged as a matrix including columns of &#x3bc;ICs and rows of &#x3bc;ICs receiving the column data signals and the row clock signals respectively. All &#x3bc;ICs in the same column of &#x3bc;ICs are cascaded in order and all &#x3bc;ICs in the same row of &#x3bc;ICs are cascaded in order.

Micro-LED display system

A repair operational amplifier circuit including a repair operational amplifier and a slew rate enhancing module. The repair operational amplifier includes an input terminal and an output terminal. The input terminal is used to receive an input signal. The output terminal is used to output an output signal. The slew rate enhancing module is coupled to the input terminal and the output terminal of the repair operational amplifier and used to selectively control the repair operational amplifier to increase a slew rate of the output signal according to whether the slew rate of the output signal is smaller than a default slew rate.

Repair operational amplifier circuit and operating method thereof

A driving circuit includes channels, a positive converting unit, a negative converting unit, an input switch, and an operational amplifier. A first digital data and a second digital data are alternatively transmitted in a first channel and a second channel. The positive converting unit and negative converting unit are respectively disposed in first channel and second channel and convert first digital data and second digital data into a positive analog data and a negative analog data. A first input terminal and a second input terminal of operational amplifier are respectively in first channel and second channel. After input switch respectively transmits positive analog data and negative analog data to first input terminal and second input terminal or to second input terminal and first input terminal, positive analog data and negative analog data are transmitted in a channel of the channels corresponding to entering operational amplifier.

Driving circuit and data transmitting method

The invention discloses a driving apparatus for driving an LCD. The driving apparatus comprises a voltage control unit, an operating unit, a resistance unit, and a voltage selection unit. The operating unit comprises two sets of buffers formed by a plurality of operational amplifiers in negative feedback circuit. The two sets of buffers selectively receive positive polarity voltages and negative polarity voltages respectively. The voltage selection unit is provided with the positive polarity voltages and negative polarity voltages through the operating unit and the resistance unit. The voltage selection unit selectively provides the pixels of the LCD with the positive polarity voltage and the negative polarity voltage. Accordingly, each of the pixels is provided either with the positive polarity voltages or the negative polarity voltages by one of the two sets of buffers.

LCD driving apparatus and method

A driving circuit applied in an electronic display apparatus is provided. The driving circuit includes a first exchange circuit and a first buffer. The first buffer includes first and second input stages, a second exchange circuit and first and second output stages. The first exchange circuit selectively couples a first input signal and a first output signal outputted from the first output stage to one of the first and the second input stages; and selectively couples a second input signal and a second output signal outputted from the second output stage to the other of the first and the second input stages. The second exchange circuit selectively couples the first input stage to one of the first and the second output stages and selectively couples the second input stage to the other of the first and the second output stages.

Driving circuit, electronic display device applying the same and driving method thereof

A dynamic floating input D flip-flop (DFIDFF) is provided. The DFIDFF includes a floating input stage, a first string of transistors, and a second string of transistors. At a pre-charge period, the floating input stage transmits the input data to the first string of transistors; the first string of transistors stores the logic status of the input data, and pre-charges its output node to a first level. At an evaluation period, the first string of transistors decides its output node level in accordance with data logic status stored in the first string of transistors; and the second string of transistors decides output level of the D flip-flop in accordance with logic status of the output node of the first string of transistors.

Dynamic floating input D flip-flop

A divider is provided. The divider includes a first flip-flop, a flip-flop array, a first NOT gate, a second NOT gate, and a circuit. The first flip-flop can be triggered by a frequency signal. The first NOT gate is coupled between a positive output terminal of the last second flip-flop and the first flip-flop. The second NOT gate is coupled between the positive output terminal of the last second flip-flop and the circuit. The first NOT gate and the second NOT gate are controlled by the mode control signal for enabling. If N is an odd number, the circuit includes a wire, and if N is an even number, the circuit includes a third NOT gate.

Divider

A method of linkage with springs mold is provided to simulate the condition of forces acting on a bonding wire for semiconductor package. The bonding wire profile can be formed by means of combining several sets of linkage with springs, wherein the coefficients of elasticity and plasticity of the springs are determined by the bending angle of two linkages which simulates the elastic-plastic deformation of the wires. The operational model can be simplified and the time can be saved by using the multiple degrees of freedom of the links/springs to analyze the profile and forces on the fine wire. Necking and fracture during formation process of the bonding wire can be avoided by the present method and design to achieve the optimum design for wire bonding profiles.

Growing community of inventors

Taipei, Taiwan

Yu-Lung Lo