A vehicle display apparatus comprising a processor and a temperature regulator is disclosed. The temperature regulator is operable to allow a fluid flow to enter a fluid flow inlet of the vehicle display apparatus or prevent a fluid flow to enter a fluid flow inlet of the vehicle display apparatus. The temperature regulator further comprises: an actuator having a shaft, the actuator operable to rotate the shaft, and a rotatable tab in communication with the actuator, the rotatable tab operable to rotate synchronously in response to a rotation of the shaft. The processor is operable to execute a command to allow the fluid flow to enter the fluid flow inlet of the vehicle display apparatus; or to prevent the fluid flow to enter the fluid flow inlet of the vehicle display apparatus by rotating the shaft of the actuator to change a position of the rotatable tab.

A liquid cooled heat dissipation device including a housing, at least two cooling fin modules, an input pipe, and an output pipe is provided. The housing has an accommodation space. The at least two cooling fin modules are disposed in the accommodation space. The input pipe is disposed on the top plate, the front plate, the rear plate, or one of the side plates of the housing and communicates with the accommodation space. The output pipe is disposed on the top plate, the front plate, the rear plate, or the other one of the side plates of the housing and communicates with the accommodation space. The at least two cooling fin modules have different arrangement densities and different fin thicknesses.

A display device is provided to achieve air circulation through an inner structure or an outer structure of the display device for efficient heat dissipation. The display device includes a housing, a display module mounted in the housing, a closed-loop air circulation system, and an open-loop air circulation system. The closed-loop air circulation system includes a first channel defined between a front surface of the display module and a front surface of the housing so as to extend along the front surface of the display module, and a second channel defined between one side surface of the display module and one side surface of the housing that is opposite the one side surface of the display module. The first channel is configured to receive air from a first end of the second channel and to discharge the air to a second end of the second channel.

A display assembly with divided interior space includes a first and second electronic display subassembly attached to a structural framework, where each of the subassemblies include an electronic display layer located behind a cover, an illumination device for providing illumination to the electronic display layer when powered, and a passageway for circulating gas. A common passageway for the circulating gas is located between the subassemblies and is in fluid communication with the passageways. A central septum extends within the common passageway between the subassemblies to divide the common passageway into a first portion and a second portion.

A projector includes a light source, a light modulation device configured to modulate light emitted from the light source, a polarization element arranged to one of a light incident side and a light exiting side of the light modulation device, a projection device configured to project the light modulated by the light modulation device, a casing in which the polarization element is arranged and whose inside is filled with a cooling liquid, and a circulation device configured to circulate the cooling liquid in the casing onto the polarization element. The cooling liquid circulates along a first direction on the light incident side of the polarization element. The cooling liquid circulates along a second direction opposite to the first direction on the light exiting side of the polarization element.

A wearable electronic device according to various embodiments of the disclosure includes: a housing including a first housing part in which a processor is received and a second housing part in which a display is received, and a hinge connecting the first housing part and the second housing part and having a hole provided in an area in communication with an outside of the wearable electronic device. At least part of heat generated from the processor is radiated to the outside through the hinge having the hole formed therein.

A wearable electronic device includes a first device housing coupled to a second device housing by at least one strap. The wearable electronic device includes heat generating electronics situated within the first device housing. A heat pipe thermally coupled to the heat generating electronics transfers thermal energy from the heat generating electronics through the at least one neck strap to the second device housing.

A display assembly with divided interior space includes a common passageway which fluidly connects passageways of first and second electronic display subassemblies where the common passageway and passageways of the electronic display subassemblies form, at least in part, a continuous airflow pathway for gas. A central septum extends within the common passageway to prevent the gas from directly traveling between a first portion and a second portion of the common passageway, defined, at least in part, by the central septum. Each of the portions of the common passageway are fluidly connected with the passageways of the first and second electronic display subassemblies.

Display devices, methods for fabricating display devices, and display systems are provided. For example, a display device comprises a display panel, a display cover bonded to a perimeter of the display panel with a perimeter seal, and an optically clear fluid disposed in a gap between the display panel and the display cover. The optically clear fluid has an index of refraction that is substantially matched to an index of refraction of the display cover. The optically clear fluid may comprise oil, alcohol, water, or a liquid gel, for example.

A display device is disclosed. In order to achieve air circulation through an inner structure or an outer structure of the display device for efficient heat dissipation, the display device includes a housing, a display module mounted in the housing, a closed-loop air circulation system, and an open-loop air circulation system, wherein the closed-loop air circulation system includes a first channel defined between a front surface of the display module and a front surface of the housing so as to extend along the front surface of the display module, and a second channel defined between one side surface of the display module and one side surface of the housing that is opposite the one side surface of the display module so as to extend along the one side surface of the display module in a longitudinal direction thereof, the first channel being configured to receive air from a first end of the second channel and to discharge the air to a second end of the second channel, and wherein the open-loop air circulation system includes a third channel isolated from the first channel and the second channel, an inlet port for receiving air from the outside through the third channel, and an outlet port for discharging the air to the outside through the third channel.