公开(公告)号：US11355088B2

公开(公告)日：2022-06-07

申请号：US16817619

申请日：2020-03-13

Applicant: Novatek Microelectronics Corp.

Inventor： Chia-Hsin Tung

IPC: G09G5/36 ,  G06T13/80

Abstract: A display driver device including a driver circuit and a control circuit is provided. The driver circuit is configured to drive a display panel to display an animated image for a display period under an always on display mode according to display information of the animated image stored in a storage circuit. The display period includes a writing period and a non-writing period after the writing period. The control circuit is configured to write the display information of the animated image received from an external device into the storage circuit during the writing period of the display period. The control circuit is configured to stop receiving the display information from the external device and writing any display information into the storage circuit during the non-writing period of the display period. A display device including the display driver device and an operating method for the display driver device are also provided.

公开(公告)号：US20200294473A1

公开(公告)日：2020-09-17

申请号：US16817619

申请日：2020-03-13

Applicant: Novatek Microelectronics Corp.

Inventor： Chia-Hsin Tung

IPC: G09G5/36 ,  G06T13/80

Abstract: A display driver device including a driver circuit and a control circuit is provided. The driver circuit is configured to drive a display panel to display an animated image for a display period under an always on display mode according to display information of the animated image stored in a storage circuit. The display period includes a writing period and a non-writing period after the writing period. The control circuit is configured to write the display information of the animated image received from an external device into the storage circuit during the writing period of the display period. The control circuit is configured to stop receiving the display information from the external device and writing any display information into the storage circuit during the non-writing period of the display period. A display device including the display driver device and an operating method for the display driver device are also provided.

公开(公告)号：US10355679B2

公开(公告)日：2019-07-16

申请号：US15828618

申请日：2017-12-01

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chien-Chuan Huang ,  Chia-Hsin Tung ,  Chun-Hung Chen ,  Hao-Jan Yang ,  Chieh-Hsiang Chang

IPC: H03K5/00 ,  H03K5/131 ,  H03K5/135 ,  G09G3/20 ,  G09G5/00 ,  G09G5/18 ,  G09F1/10 ,  G06F1/10

Abstract: A display driving circuit, a calibration module, and an associated calibration method are provided. The display driving circuit includes an internal clock circuit and the calibration module. The internal clock circuit generates an internal clock signal. The calibration module includes a counting circuit and a trimming circuit. The counting circuit counts pulses of a reference clock signal to generate a detected reference-clock count and counts pulses of the internal clock signal to generate a detected internal-clock count. The trimming circuit generates a calibration signal to adjust frequency of the internal clock signal when a predefined condition is satisfied. The predefined condition is related to comparison between a first preset count and one of the detected reference-clock count and the detected internal-clock count.

公开(公告)号：US11410594B1

公开(公告)日：2022-08-09

申请号：US17325215

申请日：2021-05-20

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chun-Hung Chen ,  Chia-Hsin Tung ,  Hsin-Hung Ou ,  Hung-Yi Lin

IPC: G09G3/20

Abstract: A method of dynamic bias control of a source driver bases on data wing level for power-saving. In order to cover the operating conditions of various loads under normal operations, the output buffer circuit operation is biased. The method utilizes the display gray scale difference between a previous data line and an immediately subsequent data line to determine the bias current to be used for the output buffer. When the difference between the current data line display gray scale and the previous data line display gray scale is not large, the bias current of the output buffer can be reduced. When the difference between the current data line display gray scale and the previous data line display gray scale is large, the bias current of the output buffer is increased and the current of the output buffer is adjusted according to different load conditions to save power.

公开(公告)号：US20210366407A1

公开(公告)日：2021-11-25

申请号：US17123129

申请日：2020-12-16

Applicant: Novatek Microelectronics Corp.

Inventor： Chun-Hung Chen ,  Chia-Hsin Tung ,  Hsin-Hung Ou ,  Hung-Yi Lin

IPC: G09G3/3291 ,  G09G3/3258

Abstract: A driving device and an operation method thereof are provided. The driver device includes a source driver circuit, an output switching circuit, and an equalization control circuit. Two input ends of the output switching circuit are coupled to two output ends of the source driver circuit. Two output ends of the output switching circuit are coupled to two data lines of an LED display panel. The equalization control circuit checks whether sub-pixel data of the two data lines meets a predetermined condition. A plurality of sub-pixels located on a current display line of the LED display panel are reset in a reset period. In a data scanning period after the reset period, the equalization control circuit determines whether to control the output switching circuit to perform an equalization operation on the two data lines according to the checking result.

公开(公告)号：US10902791B2

公开(公告)日：2021-01-26

申请号：US16522661

申请日：2019-07-26

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chia-Hsin Tung ,  Chun-Hung Chen

IPC: G09G3/3275

Abstract: A method of controlling a source driver includes the steps of: detecting a line of image data to be outputted by a plurality of channels of the source driver, to generate a detection result; generating a plurality of control signals according to the detection result, each of the plurality of control signals corresponding to a channel among the plurality of channels; and enabling or disabling an operational amplifier in each of the plurality of channels via one of the plurality of control signals corresponding to the channel.

公开(公告)号：US20130322515A1

公开(公告)日：2013-12-05

申请号：US13686925

申请日：2012-11-28

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chia-Hsin Tung ,  Jia-Jye Shyu

IPC: H04N7/26

CPC classification number: H04N19/00 ,  H04N19/12 ,  H04N19/136 ,  H04N19/46

Abstract: A data transmission system includes a transmission device having a first control module for generating a first control signal. A first transformation module is coupled to the first control module for transforming an original data into a transmission data according to the original data and the first control signal. A multiplexer is utilized for transmitting the transmission data according to the first control signal. A reception device includes a second control module for generating a second control signal, a reception module coupled to the second control module for receiving the transmission data, and a second transformation module for transforming the transmission data into the original data according to the second control signal, so as to transmit the original data to a display device. Thus, a transmission size of the transmission data is smaller than a transmission size of the original data.

Abstract translation: 数据传输系统包括具有用于产生第一控制信号的第一控制模块的传输设备。 第一变换模块耦合到第一控制模块，用于根据原始数据和第一控制信号将原始数据变换成发送数据。 利用多路复用器根据第一控制信号发送传输数据。 接收装置包括用于产生第二控制信号的第二控制模块，耦合到第二控制模块的用于接收传输数据的接收模块，以及用于根据第二控制信号将传输数据变换为原始数据的第二变换模块 ，以便将原始数据传送到显示装置。 因此，传输数据的传输大小小于原始数据的传输大小。

公开(公告)号：US20200082745A1

公开(公告)日：2020-03-12

申请号：US16153849

申请日：2018-10-08

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chia-Hsin Tung ,  Yung-Chien Fan ,  Wen-Kai Hsieh ,  Shu-Yuan Hsu

IPC: G09G3/20

Abstract: A method of processing an image data for an image processing device includes a plurality of steps. The steps include receiving the image data; storing the image data in a frame buffer of the image processing device; performing a signal processing procedure on the image data obtained from the frame buffer, to generate a final display data; restoring the final display data in the frame buffer; and entering a power saving mode after the final display data is restored in the frame buffer. In the power saving mode, the image processing device performs the following steps: turning off the signal processing circuit; and outputting the final display data restored in the frame buffer, to display the final display data.

公开(公告)号：US20160133231A1

公开(公告)日：2016-05-12

申请号：US14918549

申请日：2015-10-20

Applicant: Novatek Microelectronics Corp.

Inventor： Shang-I Liu ,  Li-Chun Huang ,  Ching-Chun Lin ,  Chia-Hsin Tung ,  Chien-Yu Chen ,  Hung-Wei Lin

IPC: G09G5/18

CPC classification number: G09G5/14 ,  G09G5/003 ,  G09G2330/021 ,  G09G2340/12 ,  G09G2360/18

Abstract: In the disclosure, a display driver integrated circuit (DDIC) configured to drive a display panel and an electronic apparatus having the DDIC would generate display data to constantly update information displayed on the display panel even when a processor is in a power save mode. The DDIC includes a first input terminal, a memory device, an information rendering unit, an information overlay unit, and a source driver. The first input terminal receives a subscribed signal. The memory device stores a background image. The information rendering unit is coupled to the first input terminal of the DDIC to receive the subscribed signal and renders subscribed information according to the subscribed signal. The information overlay unit receives the subscribed information from the information overlay unit and the background image from the memory device, and accordingly, the display data is generated without obtaining frame data from an external processor.

Abstract translation: 在本公开中，即使处理器处于省电模式，配置为驱动显示面板的显示驱动器集成电路（DDIC）和具有DDIC的电子设备也将产生显示数据，以不断地更新显示在显示面板上的信息。 DDIC包括第一输入端，存储器件，信息渲染单元，信息覆盖单元和源驱动器。 第一输入端接收订阅信号。 存储设备存储背景图像。 信息渲染单元耦合到DDIC的第一输入端以接收订阅的信号，并根据订阅的信号呈现订阅的信息。 信息叠加单元从信息叠加单元接收订阅信息和来自存储设备的背景图像，因此，在不从外部处理器获取帧数据的情况下生成显示数据。

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.