Abstract: A pixel package includes a base material, a circuit structure, light-emitting semiconductor elements, a non-light-emitting semiconductor element, and a light-transmitting adhesive layer. The base material has an upper surface, a lower surface, and a side surface. The circuit structure is buried in the base material and includes an first circuit layer exposed from the upper surface, bottom electrodes exposed from the lower surface, and a middle circuit layer between the upper circuit layer and the plurality of bottom electrodes and covered by the base material. The light-emitting semiconductor elements are on the upper surface and electrically connected to the circuit structure. The non-light-emitting semiconductor element is buried in the base material and directly connected to the middle circuit layer, and at least one outside surface is exposed. The light-transmitting adhesive layer covers the light-emitting semiconductor elements and is in direct contact with the base material.

Abstract: A light-emitting device includes a first carrier, which includes a side surface between a first surface and a second surface, upper conductive pads on the first surface, and lower conductive pads under the second surface; a RDL pixel package includes a RDL which includes bonding pads and bottom electrodes, and the light-emitting units on the RDL, and connected to the bonding pads. A light-transmitting layer on the RDL and covers the light-emitting units, an upper surface, a lower surface, and a lateral surface between the upper surface and the lower surface. The RDL pixel package is on the first surface and electrically connected to the upper conductive pads. A protective layer covers the first surface and contacting the side surface of the RDL pixel package. The lower electrodes and the upper conductive pads are connected, and the distance between two adjacent bonding pads is less than 30 ?m.

Abstract: A projection system and a keystone correction method are provided. The projection system includes: a projector projecting an image to a projection zone; an image capturing device capturing a captured image including the projection zone; and a processor. The processor divides the captured image into multiple focusing zones, and controls a stepper motor to shift focusing on the focusing zones at edges to obtain a step of the stepper motor and a distance for each of the focusing zones with a maximum clarity value. The distance is a projection distance between a lens module and the focusing zone. The processor calculates an included angle between the direction of a light axis of the projector and the projection zone according to the distances of the focusing zones at the edges, and performs a warping operation on a projection image according to the included angle.

Abstract: A projection system and a keystone correction method are provided. The projection system includes: a projector projecting an image to a projection zone; an image capturing device capturing a captured image including the projection zone; and a processor. The processor divides the captured image into multiple focusing zones, and controls a stepper motor to shift focusing on the focusing zones at edges to obtain a step of the stepper motor and a distance for each of the focusing zones with a maximum clarity value. The distance is a projection distance between a lens module and the focusing zone. The processor calculates an included angle between the direction of a light axis of the projector and the projection zone according to the distances of the focusing zones at the edges, and performs a warping operation on a projection image according to the included angle.

Abstract: An electronic device includes a top carrier having a first top surface and a first bottom surface, a first electronic element formed on the first top surface, a second electronic element formed on the first bottom surface, a bottom carrier below the top carrier and having a second top surface near the top carrier, and a controller formed on the second top surface.

Abstract: An electronic device includes a top carrier having a first top surface and a first bottom surface, a first electronic element formed on the first top surface, a second electronic element formed on the first bottom surface, a bottom carrier below the top carrier and having a second top surface near the top carrier, and a controller formed on the second top surface.

Abstract: A lighting system and a multi-mode lighting device thereof are provided. The multi-mode lighting device includes a wireless communication unit, a lighting unit, a projection unit, and a processing unit. The processing unit is coupled to the wireless communication unit, the lighting unit, and the projection unit. The processing unit is configured to selectively operate in one of multiple modes, wherein the multiple modes include a lighting mode and a projection mode. The processing unit is adapted to control the lighting unit to provide illumination light when the processing unit operates in the lighting mode. The processing unit is adapted to receive a video signal provided by an electronic device via the wireless communication unit and control the projection unit to project an image based on the video signal when the processing unit operates in the projection mode.

Abstract: A projection device and a projection system including the projection device are disclosed. The projection system includes an electronic device and the projection device. The electronic device provides a wireless signal. The projection device includes a wireless connection unit, a light sensor, a projection unit, an image control unit and a lamp base power interface. The wireless connection unit receives the wireless signal so as to provide an image control signal. The light sensor senses ambient light so as to provide a sensing control signal. The projection unit receives an image signal so as to project an image. The image control unit receives the image control signal and the sensing control signal so as to provide the image signal. The lamp base power interface electrically connects an external lamp stand power source to the projection device.

Abstract: The present disclosure relates to a heating device and a biochemical reactor having the heating device. The heating device includes an upper plate, a lower plate, a middle plate, and an electric heating element. The upper plate has an upper heating hole, an upper receiving hole, and an upper conductive layer. The lower plate has a lower heating hole, a lower receiving hole, and a first lower conductive layer. The middle plate is disposed between the upper and lower plates and has a middle heating hole and a middle receiving hole. The upper, middle and lower receiving holes are connected together to form a receiving through hole. The electric heating element is disposed in the receiving through hole and has two terminals connected to the upper conductive layer and the lower conductive layer, respectively.

Abstract: A biochemical reactor includes a temperature control device containing a substrate, a first conductive layer, a second conductive layer, a receiving hole, and a heating element. The substrate has a through hole for accommodating the vessel; the receiving hole is adjacent to the through hole for receiving the heating element; the first conductive layer has a connecting region formed on the wall of the through hole; and two terminals of the heating element are respectively connected electrically to the first and the second conductive layers. As such, the heat generated from the heating element can be transferred to the through hole via the first conductive layer to heat the vessel.

Abstract: The present disclosure relates to a heating device and a biochemical reactor having the heating device. The heating device includes an upper plate, a lower plate, a middle plate, and an electric heating element. The upper plate has an upper heating hole, an upper receiving hole, and an upper conductive layer. The lower plate has a lower heating hole, a lower receiving hole, and a first lower conductive layer. The middle plate is disposed between the upper and lower plates and has a middle heating hole and a middle receiving hole. The upper, middle and lower receiving holes are connected together to form a receiving through hole. The electric heating element is disposed in the receiving through hole and has two terminals connected to the upper conductive layer and the lower conductive layer, respectively.

Abstract: A lighting system and a multi-mode lighting device thereof are provided. The multi-mode lighting device includes a wireless communication unit, a lighting unit, a projection unit, and a processing unit. The processing unit is coupled to the wireless communication unit, the lighting unit, and the projection unit. The processing unit is configured to selectively operate in one of multiple modes, wherein the multiple modes include a lighting mode and a projection mode. The processing unit is adapted to control the lighting unit to provide illumination light when the processing unit operates in the lighting mode. The processing unit is adapted to receive a video signal provided by an electronic device via the wireless communication unit and control the projection unit to project an image based on the video signal when the processing unit operates in the projection mode.

Abstract: A biochemical reactor includes a temperature control device containing a substrate, a first conductive layer, a second conductive layer, a receiving hole, and a heating element. The substrate has a through hole for accommodating the vessel; the receiving hole is adjacent to the through hole for receiving the heating element; the first conductive layer has a connecting region formed on the wall of the through hole; and two terminals of the heating element are respectively connected electrically to the first and the second conductive layers. As such, the heat generated from the heating element can be transferred to the through hole via the first conductive layer to heat the vessel.

Abstract: A projection device and a projection system including the projection device are disclosed. The projection system includes an electronic device and the projection device. The electronic device provides a wireless signal. The projection device includes a wireless connection unit, a light sensor, a projection unit, an image control unit and a lamp base power interface. The wireless connection unit receives the wireless signal so as to provide an image control signal. The light sensor senses ambient light so as to provide a sensing control signal. The projection unit receives an image signal so as to project an image. The image control unit receives the image control signal and the sensing control signal so as to provide the image signal. The lamp base power interface electrically connects an external lamp stand power source to the projection device.