Coretronic Corporation

Fu-Shan Wang

Pen-Ning Kuo

Jui-Chi Chen

Chia-Keng Wu

Hsin-Ya Lai

Li-Ming Chen

Yen-Yu Chou

Heng-CHeng Chen

Keng-Chia Chang

Chueh-Ching Chen

Ching-Ho Chang

A projection device and a projection method thereof are provided. The projection device includes a spatial modulator, a first optical actuator, a driving circuit, and a control circuit. The spatial modulator modulates a beam to generate an image beam. The driving circuit is coupled to the first optical actuator, determines a swinging mode of the first optical actuator according to an input video signal, and converts a display frame into sub-display frames corresponding to the swinging mode. The control circuit is coupled to the spatial modulator and the driving circuit, controls the spatial modulator to generate the image beam according to the sub-display frames, and outputs synchronization signals corresponding to the sub-display frames to the driving circuit. The driving circuit drives the first optical actuator to swing according to the synchronization signals and the swinging mode to change an optical path of the image beam to generate a projection image.

Projection device and projection method thereof

A projection system includes projection devices and a control device. Each projection device is configured to provide first, second, and third light beams of different wavelengths. The projection devices include processors and light valves. The processors include first, second, and third processors. The light valves include first, second, and third light valves. Each of the processors is connected to one of the light valves. The control device respectively provides first, second, and third signals to the first, second, and third processors. The first, second, and third processors respectively control the first, second, and third light valves to provide the first, second, and third light beams in turn according to the first, second, and third signals, so as to generate an image beam; in the same time sequence, the light beams provided by the first, second, and third valves controlled by the first, second, and third processors have different wavelengths.

Projection system and projection method applying the same

An image output device coupled to a first and second signal source and a method thereof. The image output device includes memories configured to store frame image data respectively, a source selection circuit coupled to the first and second signal sources and the memories and configured to choose to store a first frame image data transmitted by the first or second signal source in one of the memories according to a working state of the first signal source, and an image output circuit coupled to the memories and the source selection circuit and configured to output the first frame image data stored in one of the memories. The image output device may rapidly switch to a backup signal source when the signal source is unstable to achieve fast switching and perfect connection.

Image output device and image output method

A projection system, a display system and monitoring methods thereof are provided. The projection system includes at least one projection device, at least one sensing device and a remote device. The at least one projection device is coupled to the at least one sensing device. The at least one sensing device senses a plurality of environmental parameters and a plurality of device output values on the at least one projection device. The remote device receives the environmental parameters and the device output values to execute state analysis for the at least one projection device, so as to generate at least one analysis result. The remote device further generates a command signal according to the at least one analysis result, and transmits the command signal to the at least one projection device. The at least one projection device executes a self-protection procedure according to the command signal.

Projection system and monitoring method thereof and display system and monitoring method thereof

Disclosed are a projection device and a light source driving method thereof. The projection device includes a light source module. The light source driving method includes: driving a blue light source of a light source module to output a blue light beam at a first power and a second power respectively, and driving a red light source of the light source module to output a first red light beam at the first power and the second power respectively, wherein a color wheel module of the light source module converts the blue light beam to generate a second red light beam; sensing luminance of the first red light beam and the second red light beam, and correspondingly generating red light luminance information; calculating red light driving parameters of the red light source and the blue light source according to luminance information of the first red light beam and the second red light beam; and controlling, according to the red light driving parameters, electrical signals for driving the blue light source and the red light source, so as to maintain the sum of luminance of the red light beams to be approximate to or equal to a target red light luminance.

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Hsin-Chu, Taiwan

Fu-Shan Wang