公开(公告)号：US11600227B2

公开(公告)日：2023-03-07

申请号：US17542472

申请日：2021-12-05

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai

IPC: G09G3/3233 ,  G09G3/20

Abstract: A driving circuit that includes a plurality of sub-driving circuits and a plurality of first switching circuits is introduced. The sub-driving circuits is configured to supply a plurality of driving currents to drive a first group of light sources to emit light to form a first pixel on a display medium. The first switching circuits are respectively coupled to the sub-driving circuits and are configured to control the plurality of sub-driving circuits to supply the driving currents to the first group of light sources according to the pixel data, wherein a current value of each of the plurality of driving currents is corresponding to a bit order of a respective bit of the pixel data.

公开(公告)号：US11145257B2

公开(公告)日：2021-10-12

申请号：US16779662

申请日：2020-02-02

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-Hsiang Chang ,  Shih-Hsiang Pan ,  Chi-Hung Lin ,  Wen-Pin Tsai ,  Huang-Chin Tang

IPC: G09G3/3291 ,  G09G3/3233

Abstract: A display device driving method, suitable for a driver circuit, includes the following steps: determining magnitude of a plurality of data voltages according to received display data, and the plurality of data voltages are configured to be transmitted to a plurality of pixel circuits via a plurality of data lines; comparing the magnitude of the plurality of data voltages to generate a comparison result; and before providing corresponding ones of the plurality of data voltages to a first pixel group arranged at an i-th row of the plurality of pixel circuits, providing a first reset voltage having a value determined according to the comparison result to the plurality of data lines, or providing a second reset voltage to m data lines selected according to the comparison result from the plurality of data lines, i is a positive integer, and m is an integer.

公开(公告)号：US11508302B2

公开(公告)日：2022-11-22

申请号：US17519592

申请日：2021-11-05

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-Hsiang Chang ,  Wen-Pin Tsai

IPC: G09G3/3233

Abstract: A method for a driver circuit configured to drive a display panel includes steps of: outputting a plurality of control signals according to a first control timing scheme to control a multiplexing circuit comprising a plurality of switches disposed in the display panel in a first operation mode; and outputting the plurality of control signals according to a second control timing scheme to control the multiplexing circuit in a second operation mode. Wherein, the first control timing scheme comprises a pre-charge period in which the plurality of switches of the multiplexing circuit are turned on, and the second control timing scheme comprises no pre-charge period.

公开(公告)号：US11195458B2

公开(公告)日：2021-12-07

申请号：US16727943

申请日：2019-12-27

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai

IPC: G09G3/3233 ,  G09G3/20

Abstract: A driving circuit that includes a plurality of sub-driving circuits, a plurality of latch circuits and a plurality of first switching circuits is introduced. The sub-driving circuits is configured to supply a plurality of driving currents to drive a first group of light sources to emit light to form a first pixel on a display medium. A quantity of the sub-driving circuits is corresponding to a first data resolution of pixel data of the first pixel. Each of the latch circuits is configured to store a different bit of the pixel data of the first pixel. The first switching circuits are respectively coupled to the sub-driving circuits and are configured to control the plurality of sub-driving circuits to supply the driving currents to the first group of light sources according to the pixel data.

公开(公告)号：US20150123963A1

公开(公告)日：2015-05-07

申请号：US14135592

申请日：2013-12-20

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai ,  Jen-Chung Chang

IPC: G09G3/20

CPC classification number: G09G3/2096 ,  G09G5/008 ,  G09G2310/08 ,  G09G2340/0435 ,  G09G2360/12

Abstract: A display driving device and a method for driving a display are provided. The display driving device includes a host and a driving chip. The host transmits an image data and a synchronization signal. The driving chip receives the image data and the synchronization signal and drives a display panel to display frames. The driving chip includes a storage unit, a driving module, and a control circuit. The storage unit stores the image data. The driving module drives the display panel to display the frames according to the image data from the host and a timing generator frequency of the driving module. The control circuit detects a target frequency of the synchronization signal and the timing generator frequency of the driving module, compares the target frequency and the timing generator frequency, outputs an adjustment value according to the comparison result, and adjusts the timing generator frequency of driving module.

Abstract translation: 提供了一种用于驱动显示器的显示驱动装置和方法。 显示驱动装置包括主机和驱动芯片。 主机发送图像数据和同步信号。 驱动芯片接收图像数据和同步信号，并驱动显示面板显示帧。 驱动芯片包括存储单元，驱动模块和控制电路。 存储单元存储图像数据。 驱动模块驱动显示面板根据来自主机的图像数据和驱动模块的定时发生器频率显示帧。 控制电路检测同步信号的目标频率和驱动模块的定时发生器频率，比较目标频率和定时发生器频率，根据比较结果输出调整值，并调整驱动模块的定时发生器频率 。

公开(公告)号：US20220093044A1

公开(公告)日：2022-03-24

申请号：US17542472

申请日：2021-12-05

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai

IPC: G09G3/3233

Abstract: A driving circuit that includes a plurality of sub-driving circuits and a plurality of first switching circuits is introduced. The sub-driving circuits is configured to supply a plurality of driving currents to drive a first group of light sources to emit light to form a first pixel on a display medium. The first switching circuits are respectively coupled to the sub-driving circuits and are configured to control the plurality of sub-driving circuits to supply the driving currents to the first group of light sources according to the pixel data, wherein a current value of each of the plurality of driving currents is corresponding to a bit order of a respective bit of the pixel data.

公开(公告)号：US09245474B2

公开(公告)日：2016-01-26

申请号：US14135592

申请日：2013-12-20

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai ,  Jen-Chung Chang

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

CPC classification number: G09G3/2096 ,  G09G5/008 ,  G09G2310/08 ,  G09G2340/0435 ,  G09G2360/12

Abstract: A display driving device and a method for driving a display are provided. The display driving device includes a host and a driving chip. The host transmits an image data and a synchronization signal. The driving chip receives the image data and the synchronization signal and drives a display panel to display frames. The driving chip includes a storage unit, a driving module, and a control circuit. The storage unit stores the image data. The driving module drives the display panel to display the frames according to the image data from the host and a timing generator frequency of the driving module. The control circuit detects a target frequency of the synchronization signal and the timing generator frequency of the driving module, compares the target frequency and the timing generator frequency, outputs an adjustment value according to the comparison result, and adjusts the timing generator frequency of driving module.

Abstract translation: 提供了一种用于驱动显示器的显示驱动装置和方法。 显示驱动装置包括主机和驱动芯片。 主机发送图像数据和同步信号。 驱动芯片接收图像数据和同步信号，并驱动显示面板显示帧。 驱动芯片包括存储单元，驱动模块和控制电路。 存储单元存储图像数据。 驱动模块驱动显示面板根据来自主机的图像数据和驱动模块的定时发生器频率显示帧。 控制电路检测同步信号的目标频率和驱动模块的定时发生器频率，比较目标频率和定时发生器频率，根据比较结果输出调整值，并调整驱动模块的定时发生器频率 。

公开(公告)号：US20200211461A1

公开(公告)日：2020-07-02

申请号：US16727943

申请日：2019-12-27

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Pin Tsai

IPC: G09G3/3233

Abstract: A driving circuit that includes a plurality of sub-driving circuits, a plurality of latch circuits and a plurality of first switching circuits is introduced. The sub-driving circuits is configured to supply a plurality of driving currents to drive a first group of light sources to emit light to form a first pixel on a display medium. A quantity of the sub-driving circuits is corresponding to a first data resolution of pixel data of the first pixel. Each of the latch circuits is configured to store a different bit of the pixel data of the first pixel. The first switching circuits are respectively coupled to the sub-driving circuits and are configured to control the plurality of sub-driving circuits to supply the driving currents to the first group of light sources according to the pixel data.

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：US20220148505A1

公开(公告)日：2022-05-12

申请号：US17519592

申请日：2021-11-05

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-Hsiang Chang ,  Wen-Pin Tsai

IPC: G09G3/3233

Abstract: A method for a driver circuit configured to drive a display panel includes steps of: outputting a plurality of control signals according to a first control timing scheme to control a multiplexing circuit comprising a plurality of switches disposed in the display panel in a first operation mode; and outputting the plurality of control signals according to a second control timing scheme to control the multiplexing circuit in a second operation mode. Wherein, the first control timing scheme comprises a pre-charge period in which the plurality of switches of the multiplexing circuit are turned on, and the second control timing scheme comprises no pre-charge period.