Coretronic Corporation

Te-Ying Tsai

Jia-Hong Dai

Tsung-Ching Lin

Chia-Lun Tsai

Kun-Chieh Chan

Kai-Lun Hou

Pei-Rong Wu

Jhih-Tong Chen

Chuan-Hui Liu

Jing-Wei Chen

Shi-Wen Lin

Ken-Teng Peng

Ming-Feng Hou

An optical engine module including a circuit board, a light valve module, a thermal conductive member, and a supporting member is provided. The circuit board having a first surface, a second surface opposite to the first surface, a first opening hole and at least one second opening hole. The light valve module is disposed on the first surface and electrically connected to the circuit board. The thermal conductive member is disposed on the second surface of the circuit board and is connected to a back surface of the light valve module through the first opening hole of the circuit board. A supporting member is disposed on one side of the first surface of the circuit board. The supporting member is partially in contact with the light valve module, and is connected to the thermal conductive member through the at least one second opening hole of the circuit board.

Optical engine module

A heat dissipation module is for a wheel module with a motor. The heat dissipation module includes a supporting member and a fan. The supporting member has a supporting portion, a fixing portion and connecting portions. The fixing portion is located in a ventilation hole of the supporting portion and connected to the supporting portion by the connecting portions. The fixing portion has opposite first and second side surfaces. The first side surface is connected to the motor. The fan is disposed on the second side surface. The fan has an air outlet facing the ventilation hole. On a plane parallel to the first side surface, the air outlet and the ventilation hole partially overlap, a cross-sectional area of the ventilation hole is greater than that of the fixing portion, and the cross-sectional area of the fixing portion is greater than or equal to that of the motor.

Heat dissipation module and projection device

Provided is a rotary optical module, including a drive device, an optical turntable, a balance ring, at least one counterweight device, and multiple protruding structures. The drive device includes a rotary axis, extending along a first direction. The optical turntable and the balance ring are both sleeved on the rotary axis of the drive device, and the balance ring is located between the drive device and the optical turntable. The balance ring includes an outer retaining wall, located at the edge of the balance ring. The at least one counterweight device is disposed on the balance ring and abuts against the inner side of the outer retaining wall. The protruding structures are radially arranged on the balance ring with the rotary axis as the center, and the height of the protruding structures in the first direction is greater than the height of the outer retaining wall in the first direction.

Rotary optical module and projection apparatus

The invention provides a heat dissipation system and a projection device including the same. The heat dissipation system includes a case, a plurality of liquid cold plates, a first radiator and a second radiator. The case includes a main air inlet and an air outlet. The liquid cold plates are disposed in the case. The first radiator is disposed in the case and beside the main air inlet. The second radiator is disposed in the case and beside the air outlet. The liquid cold plates, the first radiator and the second radiator are connected with one another. The invention has a good heat radiating effect.

Heat dissipation system comprising a plurality of liquid cold plates and projection device

A heat dissipation module adapted to dissipate the heat of a wavelength conversion device located inside a closed housing is provided. The heat dissipation module includes a first heat exchange element, a first cooling element, a second heat exchange element and a first heat conductive structure. The first heat exchange element is disposed inside the closed housing. The first cooling element has a cold side and a hot side opposite each other. The first cooling element is disposed inside the closed housing, and the cold side is located between the hot side and the first heat exchange element. The second heat exchange element is disposed outside the closed housing. One end of the first heat conductive structure is connected to the hot side of the first cooling element, and the other end of the first heat conductive structure is connected to the second heat exchange element.

A rotation wheel including a turntable and a motor is provided. The turntable is connected to the motor. The turntable has a first surface used for receiving an incident beam and a second surface opposite to the first surface. The first surface includes a light adjusting surface and a connecting surface. The connecting surface is used to connect the light adjusting surface and the motor. The light adjusting surface is perpendicular to a rotating axis of the motor. At least a part of the connecting surface is neither parallel nor perpendicular to the rotating axis.

Rotation wheel and projection apparatus

The invention provides a heat dissipating module configured to dissipate heat of at least one heating element of a projection device. The heat dissipating module includes a first radiator, a second radiator, a pipe, and at least one fan. The second radiator is disposed opposite to the first radiator. The heating element, the first radiator, and the second radiator are connected to each other through the pipe to form a loop. A working fluid is configured to be filled in the pipe, and the working fluid flows through the first radiator after flowing through the second radiator for heat exchange, and the working fluid flowing into the first radiator flows to the heating element for cyclic heat dissipation after heat exchange again through the first radiator. The fan is configured between the first radiator and the second radiator.

Heat dissipating module and projection device

A projection device and a heat dissipation control method are provided. The projection device includes a closed accommodating space, and a heating element, a cooling element, and an active dehumidification unit that are located inside the closed accommodating space. The heat dissipation control method includes the following steps: obtaining specification temperature information by a specification temperature information obtaining unit, and determining a specification temperature of the cooling element according to the specification temperature information; sensing an ambient temperature and an ambient humidity inside the closed accommodating space by a temperature and humidity sensing unit, and calculating a dew point temperature according to the ambient temperature and the ambient humidity; obtaining a cold end temperature of a cold end surface by a temperature sensing unit; and determining, based on the dew point temperature, the specification temperature, and the cold end temperature, whether to turn on or off the active dehumidification unit.

Projection device and heat dissipation control method

A light wavelength conversion element is configured to receive an excitation beam from a light incident side, comprising a substrate and a light wavelength conversion substance. The substrate has a surface facing the light incident side. The surface has at least one microstructure protruded toward the light incident side. The light wavelength conversion substance is disposed on the surface and covers the at least one microstructure. The light wavelength conversion substance is excited by the excitation beam and emits a conversion beam. The excitation beam forms an exciting light spot on the light wavelength conversion substance. The energy density distribution of the exciting light spot has at least one peak value. A position corresponding to the at least one peak value on the light wavelength conversion substance corresponds to a position of the at least one microstructure. Additionally, a projection apparatus is provided.

Light wavelength conversion element and projection apparatus

An optical engine module includes a housing, an assembling element, a light valve and a first heat exchange assembly. The assembling element has an opening corresponding to an assembly hole of the housing and is assembled on the housing in a non-direct contact mode. The light valve includes a base and an imaging element. The base bears against the assembling element, and an imaging surface of the imaging element faces the opening. The housing, the assembling element and the light valve define a chamber. The first heat exchange assembly is disposed on the assembling element and includes at least one first heat conduction component and a first heat dissipation fin set. The first heat dissipation fin set is located outside the housing. The first heat conduction component extends from the assembling element to the outside of the housing and is connected with the first heat dissipation fin set.

Optical engine module and projector

A projection apparatus and a heat dissipation control method therefor. The projection apparatus includes a light valve module, a light source providing an illumination beam, a brightness sensor sensing a brightness of the illumination beam, a cooling element having a cold end surface dissipating heat from the light valve module and a hot end surface, a humidity sensor sensing an ambient humidity, a first temperature sensor sensing an ambient temperature, a second temperature sensor sensing a cold end temperature, and a controller coupled to the brightness sensor, the humidity sensor, the first temperature sensor, the second temperature sensor, the cooling element, and the light source. The controller determines a specification temperature according to the brightness, calculates a dewpoint temperature according to the ambient temperature and the ambient humidity, and adjusts a first power of the light source according to the dewpoint temperature, the specification temperature and the cold end temperature.

Projection apparatus and heat dissipation control method

A light wavelength conversion element is configured to receive an excitation beam from a light incident side, comprising a substrate and a light wavelength conversion substance. The substrate has a surface facing the light incident side. The surface has at least one microstructure protruded toward the light incident side. The light wavelength conversion substance is disposed on the surface and covers the at least one microstructure. The light wavelength conversion substance is excited by the excitation beam and emits a conversion beam. The conversion beam forms a light spot on the light wavelength conversion substance. The energy density distribution of the light spot has at least one peak value. A position corresponding to the at least one peak value on the light wavelength conversion substance corresponds to a position of the at least one microstructure. Additionally, a projection apparatus is provided.

A wavelength conversion device includes a main body, at least one wavelength conversion layer, at least one heat dissipation plate, a heat conducting component and a driving unit. The wavelength conversion layer is disposed on the main body. The heat dissipation plate is disposed on a side of the main body with an interval. The heat conducting component is connected between the heat dissipation plate and the main body. The driving unit is connected to the main body and the heat dissipation plate and adapted to drive the main body and the heat dissipation plate to rotate. The driving unit and the heat conducting component have a gap therebetween. In addition, a projector including the wavelength conversion device is also provided. The wavelength conversion device according to the disclosure has good heat dissipation efficiency.

Wavelength conversion device and projector

A wheel assembly includes a housing, a wheel, and a thermal conductive assembly. The wheel is disposed inside of an enclosure of the housing, and includes a first surface, a second surface, and a wavelength conversion layer formed on a coating area of the first surface and configured to convert wavelength of a light beam. The thermal conductive assembly includes a thermal conductive structure and a thermal conductive tube. The thermal conductive structure corresponds to an edge contour of the wheel and is disposed adjacent to an outer edge of the wheel. The thermal conductive tube is coupled to the thermal conductive structure and partially protrudes to an exterior of the housing for conducting heat generated by the wheel from the thermal conductive structure to the exterior of the housing. The distance between the thermal conductive structure and the outer edge of the wheel falls within 1-50 mm.

Wheel assembly with thermal conductive assembly and projection device using the same

A color wheel is suitable for being disposed at a transmission path of an illumination beam emitted from a light source of a projection device. The color wheel includes a disc. The disc is suitable for rotating with respect to an axis. The disc has a non-light converting region and a light converting region. The disc has a first reference surface and a second reference surface opposite to the first reference surface. The disc has a plurality of first disturbing portions and a plurality of second disturbing portions. The first disturbing portions are located at the first reference surface and in the non-light converting region. The second disturbing portions are located at the second reference surface and in the non-light converting region. The first disturbing portions and the second disturbing portions are structurally continuous relative to the disc.

Growing community of inventors

Hsin-Chu, Taiwan

Te-Ying Tsai