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41.发明公开公开(公告)号：US20230196987A1
公开(公告)日：2023-06-22
申请号：US18074821
申请日：2022-12-05
Applicant: MACROBLOCK, INC.
Inventor： Chi-Min HSIEH , Che-Wei CHANG , Chen-Yuan KUO , Wei-Hsiang CHENG
CPC classification number: G09G3/32 , G09G3/006 , G09G2310/0278 , G09G2330/028 , G09G2330/12
Abstract: A scan-type display apparatus includes an LED array and a scan driver. The LED array has a common anode configuration, and includes multiple scan lines, multiple data lines and multiple LEDs. The scan driver includes multiple scan driving circuits. Each scan driving circuit includes a voltage generator and a detector. The voltage generator has an output terminal that is connected to the scan line corresponding to the scan driving circuit, and is configured to output one of an input voltage and a clamp voltage at the output terminal of the voltage generator. The detector is connected to the output terminal of the voltage generator, and generates a detection signal that indicates whether any one of the LEDs connected to the scan line corresponding to the scan driving circuit is short circuited based on a voltage at the output terminal of the voltage generator and a detection timing signal.
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公开(公告)号：US20220335885A1
公开(公告)日：2022-10-20
申请号：US17698651
申请日：2022-03-18
Applicant: MACROBLOCK, INC.
Inventor： Ming-Jia WU , Che-Wei CHANG , Chi-Min HSIEH
IPC: G09G3/32
Abstract: A display system includes a light emitting array and a driving device. The light emitting array includes multiple scan lines, multiple drive lines and multiple light emitting elements. The driving device includes a controller, a charge balance line and a charge sharing circuit. The controller generates a control output. The charge sharing circuit is coupled to the drive lines, the charge balance line and the controller, and receives the control output from the controller. With respect to each of the drive lines, the charge sharing circuit is operable, based on the control output, to establish or not establish an electrical connection between the drive line and the charge balance line.
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43.发明授权公开(公告)号：US11462154B1
公开(公告)日：2022-10-04
申请号：US17653734
申请日：2022-03-07
Applicant: MACROBLOCK. INC.
Inventor： Che-Wei Chang , Chen-Yuan Kuo , Chi-Min Hsieh
IPC: G09G3/32
Abstract: A display system includes an LED array and a driving device. The driving device includes a current driver, a scan selector and a capacitor. The current driver is connected to drive lines of the LED array, and provides a plurality of driving current signals respectively to the drive lines. The scan selector is connected to scan lines of the LED array, and has a first terminal that is configured to receive an input voltage, and a second terminal. The scan selector outputs the input voltage to a selected one of the scan lines, and outputs a clamp voltage provided at the second terminal thereof to the other ones of the scan lines. The capacitor has a first terminal, and a second terminal that is connected to the second terminal of the scan selector.
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公开(公告)号：US20220238596A1
公开(公告)日：2022-07-28
申请号：US17647182
申请日：2022-01-06
Applicant: MACROBLOCK, INC.
Inventor： Chen-Yuan Kuo , Chen-Chi Yang , Mei-Tan Wang , Che-Wei Chang
Abstract: A micro light emitting diode display device includes a light-transmissive unit, a plurality of light emitting units and a plurality of converting units. The light-transmissive unit includes a protective layer which has opposite first and second surfaces. The light emitting units are arranged in an array on the second surface of the protective layer and each of the light emitting units includes first, second and third light emitting portions. The converting units are disposed on the first surface of the protective layer in positions corresponding to the light emitting units, respectively, and each of the converting units includes a reflecting feature, and first and second wavelength converting elements.
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公开(公告)号：US11132960B1
公开(公告)日：2021-09-28
申请号：US17301021
申请日：2021-03-22
Applicant: MACROBLOCK. INC.
Inventor： Yi-Ta Wu , Chun-Yi Li
IPC: G09G3/34
Abstract: A backlight driving method is provided to include generating switching signals based on an internal synchronization control (ISC) signal related to refreshing of images on the display, a clock signal, and delay commands contained in a serial input signal that further contains an image stream. A time delay of each switching signal with respect to the ISC signal is determined by the clock signal and a respective delay command, and the time delays of the switching signals are different from one another. The method further includes generating driving signals based on the ISC signal, the clock signal and the serial input signal; and outputting the signals thus generated, to drive the backlight module to emit light in a line scan manner.
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Patent Agency Ranking
公开(公告)号：US11132940B2
公开(公告)日：2021-09-28
申请号：US16822715
申请日：2020-03-18
Applicant: MACROBLOCK, INC.
Inventor： Hung-Lin Yen , Shun-Ching Hsieh
Abstract: A display system includes a light emitting array and a driving circuit. The light emitting array includes: a plurality of scan lines, a plurality of channel lines, and a plurality of light emitting elements connected to the scan lines and the channel lines. The driving circuit includes: a delay-locked loop generating an internal global clock signal; a signal processor generating a scan control output and a channel control output based on the internal global clock signal and display data; a scan driver driving the scan lines based on the scan control output; and a channel driver providing a plurality of driving current signals respectively to the channel lines based on the channel control signal.
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公开(公告)号：US11114939B2
公开(公告)日：2021-09-07
申请号：US16905725
申请日：2020-06-18
Applicant: MACROBLOCK, INC.
Inventor： Ting-Ta Chiang , Kuan-Yu Chen
Abstract: A power supply system includes a current driver circuit, a sensor circuit, a control circuit, a voltage generator circuit and a signal generator circuit. The current driver circuit generates, based on a pulse signal, an output current for driving a load unit that includes series connected loads. The sensor circuit senses the output current to generate a sensed voltage. For each load, the control circuit is operable, based on a control input, to allow or not to allow the output current to flow through the load. The voltage generator circuit generates a reference voltage based on the control input. The signal generator circuit generates the pulse signal based on the reference voltage and the sensed voltage.
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公开(公告)号：US20210257222A1
公开(公告)日：2021-08-19
申请号：US17248374
申请日：2021-01-22
Applicant: MACROBLOCK. INC.
Inventor： Li-Chang YANG , Yi-Sheng LIN
Abstract: A method for packaging an integrated circuit chip includes the steps of: a) providing a plurality of dies and a lead frame which includes a plurality of bonding parts each having a die pad, a plurality of leads each having an end region disposed on and connected to the die pad, and a plurality of bumps each disposed on the end region of a respective one of the leads; b) transferring each of the dies to the die pad of a respective one of the bonding parts to permit each of the dies to be flipped on the respective bonding part; and c) hot pressing each of the dies and the die pad of a respective one of the bonding parts to permit each of the dies to be bonded to the bumps of the respective bonding part.
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公开(公告)号：US20200312232A1
公开(公告)日：2020-10-01
申请号：US16822584
申请日：2020-03-18
Applicant: MACROBLOCK, INC.
Inventor： Hung-Lin Yen , Shun-Ching Hsieh
IPC: G09G3/32
Abstract: A display system includes a number (M) of scan line units, a number (N) of channel line units, a number (R) of light emitting arrays connected to the scan line units and the channel line units, and a number (L) of shared driving circuits, where M≥1, N≥1, R≥1, and L is equal to a maximum of M and N when M≠N, and is equal to M otherwise. Each shared driving circuit is operable to generate or not to generate a scan driving output, and is operable to generate or not to generate a channel driving output. Each of a number (M) of the shared driving circuits is for providing the scan driving output to a respective scan line unit. Each of a number (N) of the shared driving circuits is for providing the scan driving output to a respective scan line unit.
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公开(公告)号：US20170110979A1
公开(公告)日：2017-04-20
申请号：US15288606
申请日：2016-10-07
Applicant: MACROBLOCK. INC.
Inventor： Lon-Kou CHANG , Che-Wei CHANG , Ting-Ta CHIANG , Shi-Jie LIAO
Abstract: A voltage control device includes an output module and a control module. The output module provides an output current at an output terminal thereof based on a control voltage. The control module includes a comparing circuit, a capacitor, a charging circuit and a discharging circuit. The comparing circuit compares a to-be-compared voltage, which is associated at least with a to-be-controlled voltage at the output terminal of the output module, with a predetermined reference voltage to generate a comparison signal. The capacitor provides the control voltage. The charging circuit is operable to charge the capacitor based on the comparison signal. The discharging circuit is operable to discharge the capacitor based on the comparison signal.
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