公开(公告)号：US10594264B2

公开(公告)日：2020-03-17

申请号：US16021032

申请日：2018-06-28

Applicant: NOVATEK Microelectronics Corp.

Inventor： Cheng-En Hsieh ,  Shen-Iuan Liu ,  Tzu-Chien Tzeng ,  Jin-Yi Lin ,  Kuo-Sheng Huang ,  Ju-Lin Huang

IPC: H03G3/10 ,  H03F1/02 ,  H03F3/00 ,  H03F3/45 ,  H03G1/00 ,  H03K19/0185

Abstract: A dynamic amplifier includes a first output capacitor, a first switch, a current source, a second switch, a voltage detector, a third switch and a level shifter. The first switch is coupled between a first terminal of the first output capacitor and a voltage detection node. The second switch is coupled to the current source and the voltage detection node. The voltage detector is coupled to the voltage detection node and the first switch. The third switch is coupled between the voltage detection node and a power source. The level shifter is coupled to a second terminal of the first output capacitor.

公开(公告)号：US10804860B2

公开(公告)日：2020-10-13

申请号：US16372491

申请日：2019-04-02

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Kuo-Sheng Huang

IPC: G09G3/00 ,  H03F1/26 ,  H03F3/45 ,  G09G3/3208

Abstract: A gain amplifier of a sensing circuit for sensing degradation of an OLED display panel, the gain amplifier comprising: an operation amplifier; and a plurality of gain amplifier cells sequentially coupled to the operation amplifier. Each of the gain amplifier cells comprises a plurality of capacitors each placed between two internal nodes of the gain amplifier cell, excluding a ground node, such that a voltage gain of the gain amplifier and a DC offset of the gain amplifier are determined according to capacitances of the capacitors without considering parasitic capacitance.

公开(公告)号：US20200007085A1

公开(公告)日：2020-01-02

申请号：US16021032

申请日：2018-06-28

Applicant: NOVATEK Microelectronics Corp.

Inventor： Cheng-En Hsieh ,  Shen-Iuan Liu ,  Tzu-Chien Tzeng ,  Jin-Yi Lin ,  Kuo-Sheng Huang ,  Ju-Lin Huang

IPC: H03F1/02 ,  H03F3/00 ,  H03F3/45 ,  H03G1/00

Abstract: A dynamic amplifier includes a first output capacitor, a first switch, a current source, a second switch, a voltage detector, a third switch and a level shifter. The first switch is coupled between a first terminal of the first output capacitor and a voltage detection node. The second switch is coupled to the current source and the voltage detection node. The voltage detector is coupled to the voltage detection node and the first switch. The third switch is coupled between the voltage detection node and a power source. The level shifter is coupled to a second terminal of the first output capacitor.