公开(公告)号：US20150102989A1

公开(公告)日：2015-04-16

申请号：US14187310

申请日：2014-02-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Hsueh-Yi Lee ,  Yi-Nung Hu

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3696 ,  G09G2310/0248 ,  G09G2320/0204 ,  G09G2330/021

Abstract: An equalizing method for a driving device includes determining whether a polarity of an output voltage changes from a first time period to a second time period according to an inversion method of a display device coupled to the driving device, for generating a polarity inversion signal; and determining whether to perform an equalization operation on the output voltage in a switching period between the first time period and the second time period according to the polarity inversion signal, current line information and previous line information.

Abstract translation: 用于驱动装置的均衡方法包括根据耦合到驱动装置的显示装置的反演方法确定输出电压的极性是否从第一时间段变化到第二时间段，以产生极性反转信号; 以及根据极性反转信号，当前行信息和前一行信息，确定是否在第一时间段和第二时间段之间的切换周期内对输出电压进行均衡操作。

公开(公告)号：US10359796B1

公开(公告)日：2019-07-23

申请号：US16221608

申请日：2018-12-17

Applicant: NOVATEK Microelectronics Corp.

Inventor： Jie-Yu Liao ,  Chun-Hung Chen ,  Hsueh-Yi Lee

IPC: G05F1/563 ,  G05F1/63 ,  G05F1/575 ,  H03F1/30 ,  H02M1/15

Abstract: A buffer circuit includes a first transistor, a second transistor, a feed-forward circuit and a resistive bias circuit. The first transistor has a first terminal, a second terminal and a third terminal, wherein the first terminal of the first transistor is served as an input terminal of the buffer circuit. The second transistor has a first terminal and a second terminal, wherein the second terminal of the second transistor is coupled to the third terminal of the first transistor and served as an output terminal of the buffer circuit. The feed-forward circuit has a first terminal and a second terminal respectively coupled to the first terminal of the second transistor and the second terminal of the first transistor. The resistive bias circuit has a first terminal and a second terminal respectively coupled to the second terminal of the first transistor and the first terminal of the feed-forward circuit.

公开(公告)号：US20150015566A1

公开(公告)日：2015-01-15

申请号：US14501053

申请日：2014-09-30

Applicant: Novatek Microelectronics Corp.

Inventor： Jin-Sheng Hsieh ,  Hsueh-Yi Lee ,  Wing-Kai Tang

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G09G3/3659 ,  G09G3/2011 ,  G09G5/003 ,  G09G5/10 ,  G09G2310/0248

Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and has an output terminal to output an output signal. The output buffer circuit receives the gray level voltage and the output signal, and compares the gray level voltage and the output signal to generate a comparison result. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal to the output terminal of the output buffer circuit according to the comparison result and a pre-charge enable signal.

Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并具有输出端输出输出信号。 输出缓冲电路接收灰度级电压和输出信号，并比较灰度电压和输出信号以产生比较结果。 预充电电路耦合到输出缓冲电路，根据比较结果和预充电使能信号，将输出缓冲电路的输出端产生预充电输出信号。

公开(公告)号：US09153188B2

公开(公告)日：2015-10-06

申请号：US14501053

申请日：2014-09-30

Applicant: Novatek Microelectronics Corp.

Inventor： Jin-Sheng Hsieh ,  Hsueh-Yi Lee ,  Wing-Kai Tang

IPC: G09G5/00 ,  G09G3/36 ,  G09G3/20 ,  G09G5/10

CPC classification number: G09G3/3659 ,  G09G3/2011 ,  G09G5/003 ,  G09G5/10 ,  G09G2310/0248

Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and has an output terminal to output an output signal. The output buffer circuit receives the gray level voltage and the output signal, and compares the gray level voltage and the output signal to generate a comparison result. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal to the output terminal of the output buffer circuit according to the comparison result and a pre-charge enable signal.

Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并具有输出端输出输出信号。 输出缓冲电路接收灰度级电压和输出信号，并比较灰度电压和输出信号以产生比较结果。 预充电电路耦合到输出缓冲电路，根据比较结果和预充电使能信号，将输出缓冲电路的输出端产生预充电输出信号。

公开(公告)号：US20230420344A1

公开(公告)日：2023-12-28

申请号：US18215339

申请日：2023-06-28

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Hsueh-Yi Lee ,  Chun-Hung Chen ,  Chia-Hsin Tung ,  Wen-Pin Tsai

IPC: H01L23/498 ,  H01L25/065 ,  H01L23/00 ,  H01L23/31

CPC classification number: H01L23/49811 ,  H01L25/0657 ,  H01L24/16 ,  H01L24/08 ,  H01L24/32 ,  H01L24/48 ,  H01L23/3121 ,  H01L2224/48227 ,  H01L2224/32146 ,  H01L2224/16141 ,  H01L2224/08165 ,  H01L2225/06541 ,  H01L2225/06513 ,  H01L2225/0651 ,  H01L2924/1437 ,  H01L2924/1426

Abstract: A semiconductor apparatus is provided. The semiconductor apparatus includes: a first circuit, including a first semiconductor substrate, a first group of circuit components formed on the first semiconductor substrate, and a first group of metal layers, wherein, the first group of circuit components are distributed to at least one circuit block, and traces for each circuit block are formed in at least some of the first group of metal layers; a second circuit, including a second semiconductor substrate, a second group of circuit components formed on the second semiconductor substrate, and a second group of metal layers, wherein, the second group of circuit components are distributed to at least one circuit block, and traces for each circuit block are formed in at least some of the second group of metal layers, and the first circuit and the second circuit being face-to-face stacked and bonded.

公开(公告)号：US08884943B2

公开(公告)日：2014-11-11

申请号：US13925821

申请日：2013-06-24

Applicant: Novatek Microelectronics Corp.

Inventor： Jin-Sheng Hsieh ,  Hsueh-Yi Lee ,  Wing-Kai Tang

IPC: G06F3/038 ,  G09G5/00 ,  G09G3/20

CPC classification number: G09G3/3659 ,  G09G3/2011 ,  G09G5/003 ,  G09G5/10 ,  G09G2310/0248

Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and receives the gray level voltage. The output buffer circuit has an output terminal to output a driving output signal. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal according to the gray level voltage and a pre-charge enable signal, and outputs the pre-charge output signal to the output terminal of the output buffer circuit.

Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并接收灰度电平。 输出缓冲电路具有用于输出驱动输出信号的输出端子。 预充电电路耦合到输出缓冲电路，根据灰度级电压和预充电使能信号产生预充电输出信号，并将预充电输出信号输出到输出端的输出端 缓冲电路。

公开(公告)号：US20130285999A1

公开(公告)日：2013-10-31

申请号：US13925821

申请日：2013-06-24

Applicant: Novatek Microelectronics Corp

Inventor： Jin-Sheng Hsieh ,  Hsueh-Yi Lee ,  Wing-Kai Tang

IPC: G09G5/00

CPC classification number: G09G3/3659 ,  G09G3/2011 ,  G09G5/003 ,  G09G5/10 ,  G09G2310/0248

Abstract: A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and receives the gray level voltage. The output buffer circuit has an output terminal to output a driving output signal. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal according to the gray level voltage and a pre-charge enable signal, and outputs the pre-charge output signal to the output terminal of the output buffer circuit.

Abstract translation: 公开了一种显示器的驱动装置。 驱动装置包括数模转换器（DAC）电路，输出缓冲电路和预充电电路。 DAC电路接收具有用于产生灰度电压的数字格式的显示数据。 输出缓冲电路耦合到DAC电路，并接收灰度电平。 输出缓冲电路具有用于输出驱动输出信号的输出端子。 预充电电路耦合到输出缓冲电路，并根据灰度电压和预充电使能信号产生预充电输出信号，并将预充电输出信号输出到输出端的输出端 缓冲电路。