148results about "Modifications for display panels" patented technology

Disclosed is a heat radiator which is provided in a transmissive display unit in which a plurality of rows of light emitting arrays constituted by arranging a plurality of light emitting units including a plurality of LEDs mounted on a wiring substrate are arranged on the back surface side of a transmissive display panel, and illuminating light emitted from the LEDs is irradiated onto the display panel. In the heat radiator, a radiation plate (28) supporting LEDs (18) and a heat sink (37) constitute an overlap area (57) with a back panel (13) interposed therebetween and are integrated with each other through the back panel by a fixing member in the overlap area. The back panel, radiation plate, and heat sink are firmly mounted to each other, achieving effective heat radiation.

A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; and an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. With this configuration, the cooling path is effectively provided to enhance cooling efficiency and thermal reliability.

A display device comprises a display panel, a cooling unit cooling air in a casing containing the display panel, a fan unit generating an air flow in the casing, and a control unit controlling the cooling unit and the fan unit, and when the control unit deactivates the cooling unit, the control unit also deactivates the fan unit.

A display apparatus includes a liquid crystal display having a display panel, a housing, and a plurality of heat pipes. The housing has a sealing part and has aeration paths. The sealing part seals the display panel to box the display panel therein, while making a display screen of the display panel viewable from outside. The aeration paths are arranged outside the sealing part and communicate with the outside of the housing. The heat pipes extend from a rear surface of the display panel to the aeration paths.

A cooling system for an electronic display may include a heat collector plate with internal gas and liquid phase lines. The cooling plate may be thermally isolated together with electronic components of the display within an enclosure of the display, while external lines carry liquid and gas phase refrigerant outside the enclosure to and from the heat collector plate. The external lines may be similar in size to each other and may be connected to the heat collector outside the heat collector plate by a manifold. The heat collector plate contacts a base plate of the electronic display in a thermally conductive relation to transfer heat from electronic components within the display to the gas phase refrigerant. Fans may be included for additional convective heat transfer. A single compressor may be fluidly connected to multiple heat collector plates in respective electronic displays.

A display apparatus includes a display panel and a heat transfer sheet mounted adjacent to one surface of the display panel. A plurality of pores are formed in the heat transfer sheet. The heat transfer sheet may have an open cell-type structure and / or a closed cell-type structure. The open cell-type structure includes pores that are interconnected. The closed cell-type structure includes pores formed that are not in communication with each other, rather these pores may be independently formed.

A backlight unit illuminating the rear of a transmissive display panel with light includes a light source substrate, a base member, and a heat pipe. The light source substrate has a light source and faces the rear of the display panel. The base member is made of sheet metal, on which the light source substrate is mounted, and fixed to the rear of a chassis of the backlight unit. The heat pipe is attached to the base member and receives heat generated in the light source through the base member. The base member includes a plurality of groove portions extending in a lengthwise direction of the light source substrate formed at predetermined intervals and a plurality of planes on which the light source substrates facing the display panel are formed respectively. The heat pipe is provided in the lengthwise direction of the light source substrate under each of the planes.

An apparatus includes a display. The display may include a frame disposed at a bottom surface of the display. The apparatus may include a semiconductor chip. A heat pipe constructed of a thermally conductive material may be affixed to the frame. A surface of the heat pipe may oppose the semiconductor chip at a predetermined distance from the semiconductor chip.

The present invention provides a radiator for a light emitting unit, annexed to the light emitting unit including a multiplicity of light emitting diodes mounted on substantially the same axis line on a first principal surface of a wiring substrate. The radiator includes a radiating plate and a heat pipe. The radiating plate is combined with the wiring substrate, with a first principal surface faced as a faying surface to a second principal surface opposite to the first principal surface of the wiring substrate, and is provided with a heat pipe fitting portion. The heat pipe is mounted into the heat pipe fitting portion of the radiating plate while keeping close contact with the inner wall of the heat pipe fitting portion. The heat generated from the light emitting diode group is transferred to a radiating means through the radiating plate and the heat pipe.

A liquid crystal display apparatus includes a light source, a light source drive circuit for switching the light source on and off, a heat release member for releasing heat generated by at least one of the light source drive circuit and the light source, and a heat transport member for transporting the heat to the heat release member. The light source drive circuit is connected to the heat release member through the heat transport member. The heat transport member has high heat conductivity so that a large part of the heat can be transferred to the heat release member through the heat transport member for a short time. Thus, the heat transport member prevents the heat from affecting components disposed near the light source drive circuit or the light source.

A plasma display device is provided with a chassis supporting a PDP on its front surface, circuit boards located within a specific region of the back surface of the chassis, a back cover including an edge portion covering the outside of the specific region of the back surface of the chassis and a projecting portion accommodating the plurality of the circuit boards, and a fan arranged inside a space defined by the projecting portion. The peripheral wall of the projecting portion is provided with a plurality of air inlets and a plurality of air outlets.

A plasma display device is provided with a chassis supporting a PDP on its front surface, circuit boards located within a specific region of the back surface of the chassis, a back cover including an edge portion covering the outside of the specific region of the back surface of the chassis and a projecting portion accommodating the plurality of the circuit boards, and a fan arranged inside a space defined by the projecting portion. The peripheral wall of the projecting portion is provided with a plurality of air inlets and a plurality of air outlets.

An apparatus and method of cooling an image projecting apparatus. The image projecting apparatus includes a main body frame, at least one heat generating unit, a heat dispersion part, at least one heat transfer member, and a single cooling fan, where the first side of the at least one heat transfer member is connected to the at least one heat generating unit, and a second side of the at least one heat transfer member is connected to the heat dispersion part.

An exemplary portable electronic device includes a printed circuit board, a heat generating electronic component mounted on the printed circuit board, a shell housing the printed circuit board, the heat generating electronic component and a heat pipe therein. The heat pipe includes an evaporating side and a condensing side. The evaporating side thermally contacts the heat generating electronic component, and the condensing side thermally contacts the shell.

A heat radiating assembly employable by a plasma display apparatus for radiating heat generated by a signal transmission unit, which transmits electric signals from a circuit unit that drives a plasma display panel and includes an electronic device covered by a protecting member, is provided. The heat radiating assembly may include a heat absorbing member, a heat radiating member, and a heat transferring member. The heat absorbing member may absorb the heat generated by the electronic device and transmitted to the protecting member. The heat radiating member may radiate heat out from the plasma display apparatus. The heat transferring member may transfer the heat from the heat absorbing member to the heat radiating member.

A backlight unit illuminating the rear of a transmissive display panel with light includes a light source substrate, a base member, and a heat pipe. The light source substrate has a light source and faces the rear of the display panel. The base member is made of sheet metal, on which the light source substrate is mounted, and fixed to the rear of a chassis of the backlight unit. The heat pipe is attached to the base member and receives heat generated in the light source through the base member. The base member includes a plurality of groove portions extending in a lengthwise direction of the light source substrate formed at predetermined intervals and a plurality of planes on which the light source substrates facing the display panel are formed respectively. The heat pipe is provided in the lengthwise direction of the light source substrate under each of the planes.

A display apparatus, such as a rear projection television, includes a housing, a display panel and a plurality of LED heat dissipating modules disposed in the housing. The display panel is connected to the housing, and each of the LED heat dissipating modules includes a pulsating heat pipe, a plurality of fins, and a plurality of LEDs for providing light to the display panel. The LEDs are disposed on the pulsating heat pipe and located at the vaporizing section, and the fins are connected to the pulsating heat pipe and all located at the condensing section for increasing the heat dissipating area.

There is disclosed a digital signage including a display panel, a housing having the display panel arranged in one surface, the housing comprising a closed inner space, a cooling unit provided in a predetermined portion of the housing, the cooling unit comprising a hole configured to suck and exhaust external air, a heat pipe comprising one end positioned in the inner space of the housing to be coupled to a back surface of the display and the other end positioned in the cooling unit, with a liquid flowing therein to move heat, and a driving circuit board coupled to a back surface of the heat pipe to control driving of the display panel, such that the digital signage having a slim design can exhaust the heat generated from a display panel and a driving circuit board effectively.

A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; and an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. With this configuration, the cooling path is effectively provided to enhance cooling efficiency and thermal reliability.

Disclosed is a heat radiator which is provided in a transmissive display unit in which a plurality of rows of light emitting arrays constituted by arranging a plurality of light emitting units including a plurality of LEDs mounted on a wiring substrate are arranged on the back surface side of a transmissive display panel, and illuminating light emitted from the LEDs is irradiated onto the display panel. In the heat radiator, a radiation plate (28) supporting LEDs (18) and a heat sink (37) constitute an overlap area (57) with a back panel (13) interposed therebetween and are integrated with each other through the back panel by a fixing member in the overlap area. The back panel, radiation plate, and heat sink are firmly mounted to each other, achieving effective heat radiation.

A display apparatus has a display panel, an accommodating part accommodating the display panel, a circulation path surrounding the accommodating part, a heat exchanger which collects a heat from the circulation path, an electronic circuit arranged at the back side of the accommodation part, which controls the display panel, wherein, the circulation path exists between the accommodating part and the electronic circuit.

A property of dissipating heat generated from a light source in an edge light type lighting device is improved. A lighting device includes: a plurality of LEDs 17; a chassis 14 housing the LEDs 17; light guide members 21 housed in the chassis 14 and including light entrance surfaces 21a through which light from the LEDs 17 enters and light output surfaces 21b from which the light exits; and a plurality of heat pipes 30 fixed on the chassis 14. The chassis 14 has a substantially rectangular bottom plate, and the LEDs 17 are arranged in a line on at least one of short sides of a bottom plate 14a of the chassis 14. The heat pipes 30 are formed in an elongated shape having one end that overlaps the LEDs 17 and another end that is provided on a middle portion of the chassis 14 in a longitudinal direction thereof.

Provided is a display module having an improved heatsink. The display module includes a display panel adapted to display an image, a chassis adapted to support the display panel, a driver circuit unit arranged on the chassis and adapted to generate an electrical signal that drives the display panel, an integrated circuit arranged on a signal transmitting unit, the integrated circuit being adapted to control signal transmission between the driver circuit unit and the display panel and at least one heatpipe arranged on a side of the chassis opposite the display panel, the heatpipe being adapted to transfer heat generated by the IC chip to the chassis.

A heat dissipating structure for an electronic component of the present invention includes a main board on which electronic components are mounted, a heat sink disposed facing the main board and contacting a plurality of the electronic components on the main board, a heat pipe disposed on the heat sink, an arm branching from the heat sink and elastically deformable in relation to the heat sink, and a cooling fan located at the end portion of the heat pipe.

A siphon-type heat dissipation device includes a first plate body, a second plate body and a working liquid. An accommodation space is formed between the first plate body and the second plate body. The working liquid is accumulated in a lower portion of the accommodation space. A heat source is attached on the siphon-type heat dissipation device. After a heat energy generated by the heat source is transferred into the working liquid, the heat energy is absorbed by the working liquid, so that a portion of the working liquid is vaporized into a working vapor. After the working vapor ascends to an upper portion of the accommodation space, the heat energy is dissipated to surroundings, and the working vapor is condensed and changed into the working liquid. The working liquid flows back to the lower portion of the accommodation space.

A heat radiation structure of an electronic component of the present invention includes a main board mounted with electronic components, an upper side heat sink disposed opposite to a top face of the main board, a lower side heat sink disposed opposite to a second face of the main board, and a cooling fan connected to the upper side heat sink and the lower side heat sink.