Dynascan Technology Corporation

Chia-Liang Yang

Ching-Chun Wu

Tsun-I Wang

Chih-Chin Hsu

Chin Liang Wang

Chih-Hao Kang

Tsun-i Wang

The present disclosure provides a display case. The display case includes a central portion having an inlet and an outlet opposite to the inlet, a first transparent lid disposed on a first side of the central portion, a second transparent lid disposed on a second side of the central portion, and a heat exchanger in the central portion. The first transparent lid is configured to define a first space on the first side of the central portion and the second transparent lid is configured to define a second space on the second side of the central portion. The heat exchanger includes a first channel and a second channel. The first channel of the heat exchanger is fluidly conducted to the first space and defines a part of a first internal heat exchange loop. The second channel of the heat exchanger is fluidly conducted to the second space and defines a part of a second internal heat exchange loop. The present disclosure also provides a dual sided display.

Display case and dual sided display

Embodiments of the present disclosure relate to an electronic device. The electronic device comprises a display comprising an array of pixels and a control circuit electrically connected to the display. Pixels of the array of pixels includes a plurality of first sub-pixels defining a first color area on a chromaticity plane, a plurality of second sub-pixels defining a second color area on the chromaticity plane, and a plurality of third sub-pixels defining a third color area on the chromaticity plane. The control circuit comprises a processor and a memory unit. The processor configured to receive an input image signal; based on the input image signal and a compensation matrix, generate a control signal for controlling a pixel of the display to emit light in a virtual color gamut, which is among the first, second, and third color areas does not overlap any of the first, second, or third color areas on the chromaticity plane, wherein the compensation matrix is determined according to the first, second, and third color areas; perform brightness adjustment on the control signal to generate a pixel driving signal for driving the pixel of the display; and output the pixel driving signal to the display for driving each pixel of the display to output light.

Methods for compensating colors and adjusting brightness and related display devices

The present disclosure provides a display apparatus including an LED array. The display apparatus comprises a light emitting diode (LED) array, a power source, a controller, a PWM switch, and a current source module. The controller is configured to generate a control signal for controlling a first LED column during a scan period. The PWM switch is electrically connected between the first LED column and a second power level. The current source module is electrically connected between the first LED column and the second power level. The current source module is configured to provide a current flow with multiple levels. The PWM switch is controlled based on a first portion of the control signal, and the amount of the current flow provided by the current source module in the scan period depends on a second portion of the control signal.

Display apparatus including LED array

Disclosed are methods for compensating colors based on luminance adjustment parameters and the related display devices. The present disclosure provides an electronic device. The electronic device comprises: a display comprising an array of pixels and a control circuit electrically connected to the display. Pixels in the array comprise a plurality of first sub-pixels defining a first color area in a chromaticity plane, a plurality of second sub-pixels defining a second color area in the chromaticity plane and a plurality of third sub-pixels defining a third color area in the chromaticity plane. The plurality of first sub-pixels is associated with a first primary color, the plurality of second sub-pixels is associated with a second primary color, and the plurality of third sub-pixels is associated with a third primary color. The control circuit is configured to receive an input image signal and generate a control signal to the display for driving each pixel of the display to output light in a virtual color gamut. The virtual color gamut of the display includes a first virtual color gamut including a first chromaticity coordinate point of the first primary color, a second virtual color gamut including a second chromaticity coordinate point of the second primary color, a third virtual color gamut including a third chromaticity coordinate point of the third primary color, and a fourth virtual color gamut. The fourth virtual color gamut is among the first, second and third color areas on the chromaticity plane and does not overlap any of the first, second or third color areas.

Methods for compensating colors based on luminance adjustment parameters and the related display devices

An electronic display assembly and a double-sided display are provided. The electronic display assembly comprises a case with an opening, a display panel, an air-interchange device and a flow generator. The air-interchange device is arranged in the opening of the case. The flow generator generates airflow through a pathway within the case. The direction of a first portion of the pathway near the air-interchange device is not parallel to a normal of the opening.

Electronic display assembly and double-sided display

A display apparatus is provided. The display apparatus comprises a housing, a display unit, a backlight module and at least one image capturing device. The at least one image capturing device is located in the housing and is used for capturing an image of the display unit.

Display apparatus

To test a first LED, a second LED, and a third LED in a light-emitting unit, a method is disclosed herein comprising the following steps: setting the first and second LEDs in respective driven states to generate associated light; providing the third LED to receive the light associated with the first and second LEDs, thereby generating a first photocurrent and a second photocurrent; providing the first LED to receive the light associated with the second LED, thereby generating a third photocurrent; and calculating a decay factor of each of the LEDs based on the first, second, and third photocurrents.

Method for testing light-emitting unit

Disclosed are methods for compensating colors based on virtual chromaticity coordinate points and the related display devices. The present disclosure provides an electronic device. The electronic device comprises: a display comprising an array of pixels and a control circuit electrically connected to the display. Pixels in the array comprise a plurality of first sub-pixels defining a first color area on a chromaticity plane, a plurality of second sub-pixels defining a second color area on the chromaticity plane, and a plurality of third sub-pixels defining a third color area on the chromaticity plane. The control circuit is configured to receive an input image signal and generate a control signal to the display for driving each pixel of the display to output light in a virtual color gamut. The virtual color gamut of the display is among the first, second and third color areas on the chromaticity plane and does not overlap any of the first, second or third color areas.

Methods for compensating colors based on virtual chromaticity coordinate points and the related display devices

The present disclosure provides a display. The display includes a display module, a supporting plate, and an evaporator. The display module has a front surface and a rear surface opposite the front surface of the display module. The supporting plate is attached to the rear surface of the display module. The evaporator is attached to the supporting plate and thermally connected to the rear surface of the display module through the supporting plate.

Electronic display assembly

A display apparatus and a method for controlling the same are provided. The display apparatus includes a display unit, a light sensor, a cooling fan, and a controller. The light sensor is configured to detect an ambient light and generate a brightness value indicating brightness of the ambient light. The cooling fan is configured to generating a fluid flow in the display apparatus. The controller is configured to monitor the brightness value per a time period and control a rotational speed of the cooling fan based on the brightness value.

Display apparatus and method for controlling the same

A display apparatus is provided. The display apparatus comprises an electronic display assembly, a heat exchanger, a fan, and a cleaning device. The heat exchanger comprises one or more internal heat dissipation pathways and one or more external heat dissipation pathways. The one or more internal heat dissipation pathways are thermally coupled to the electronic display assembly and the one or more internal heat dissipation pathways are thermally coupled to the one or more external heat dissipation pathways. The fan generates ambient air flow passing through the one or more external heat dissipation pathways. The cleaning device is connected to the one or more external heat dissipation pathways, and used for injecting a cleaning fluid into the one or more external heat dissipation pathways.

Display apparatuses

The present disclosure relates to a display apparatus and a method for monitoring the same. A display apparatus is provided. The display apparatus comprises a display unit, a backlight module, a light sensor, and a controller. The backlight module is located on a first side of the display unit. The light sensor is located on a second side of the display unit different from the first side. The light sensor faces away from the display unit for detecting light comprising ambient light and reflected light from the display unit and generates a first brightness value. The controller determines the display apparatus malfunction based on the first brightness value.

Display apparatus and method for monitoring the same

A display apparatus is provided. The display apparatus comprises a display unit, a backlight module, an optical cavity and at least one sensing device. The optical cavity is formed between the display unit and the backlight module. The at least one sensing device is disposed on the periphery of the optical cavity for sensing the display unit.

An electronic display assembly is provided. The electronic display assembly comprises a backlight module, a transparent plate, a liquid crystal panel, an internal heat exchange path and an external heat dissipation path with ambient air flowing through. The liquid crystal panel is disposed between the transparent plate and the backlight module. The internal heat exchange path comprises a first pathway, a second pathway and a third pathway. The first pathway is arranged between the transparent plate and the liquid crystal panel. The second pathway is arranged between the liquid crystal panel and backlight module. The third pathway is located directly behind the backlight module. The external heat dissipation path carries heat conducted from air flowing through the third pathway.

Growing community of inventors

Taoyuan, Taiwan

Chia-Liang Yang