Abstract: The display device includes a display panel and a backlight module on the display panel. The backlight module includes light guide plate having a light incident surface, a light emitting surface facing the display panel and a reflection surface. Two sides of the light incident surface connect the light emitting surface and the reflection surface respectively. The reflection surface includes a first periphery light guide region, a second periphery light guide region, and a middle light guide region between the first periphery light guide region and the second periphery light guide region. The first periphery light guide region includes first microstructures. The second periphery light guide region includes second microstructures. The first microstructures have first light guide inclined surfaces inclined towards the second periphery light guide region. The second microstructures have second light guide inclined surfaces inclined towards the first periphery light guide region.

Abstract: A light combining structure including a first beam splitter, a first light source, a second light source and a second beam splitter is provided. The first light source is disposed on a first side of the first beam splitter to emit a first light and is provided with a first reflection surface. The second light source is disposed on a second side of the first beam splitter to emit a second light and is provided with a second reflection surface. The second beam splitter is disposed on a third side of the first beam splitter, wherein the first beam splitter allows the first light and the second light to partially reflect and partially penetrate, and the first reflection surface, the second reflection surface and the second beam splitter allow the first light and the second light to enter a fourth side of the first beam splitter after being reflected.

Abstract: A laser projection apparatus includes a reflecting unit, a reflecting diffuser, a first lens array having a length and a width, a condensing lens having first and second lens portions and first and second center axes, a laser set emitting a first color light, an imaging module, and a projection lens. The reflecting unit reflects the first color light to the first lens portion. The reflecting diffuser reflects the first color light to travel along a light-exit axis of the second lens portion. The first lens array is disposed on the light-exit axis. The length along the first center axis and the width along the second center axis are less than or equal to one half of a diameter of the condensing lens and the diameter, respectively. The imaging module is disposed on the light-exit axis. The imaging module and the projection lens receive the first color light sequentially.

Abstract: A light sensor includes an optoelectronic device and a light guide element. The light guide element has a first light incident surface and a light exit surface, so as to allow an incident light to enter the light guide element from the first light incident surface and then exit to the optoelectronic device from the light exit surface; wherein at least one of the light incident surface and the light exit surface has a single curved surface.

Abstract: A light source module includes a casing, a first light source disposed in the casing to emit a first light, a first semi-transparent and semi-reflective mirror disposed in the casing and located on an optical path of the first light, and a heat dissipation member disposed in the casing and located on a second axis of the first semi-transparent and semi-reflective mirror. A first part of the first light passes through the first semi-transparent and semi-reflective mirror or is reflected by the first semi-transparent and semi-reflective mirror and then travels along a first axis. A second part of the first light is reflected by the first semi-transparent and semi-reflective mirror or passes through the first semi-transparent and semi-reflective mirror and then travels along a second axis. The first part is more than the second part. The second part of the first light is directed to the heat dissipation member.

Abstract: The invention provides a display device. The display device includes a display unit and a processing unit. The processing unit is coupled to the display unit. The processing unit provides a user interface through the display unit to prompt a user to adjust at least one response effect. The processing unit presents an image quality checking animation through the display unit or the user interface. The processing unit reflects an adjustment of the response effect in the image quality checking animation in real time.

Abstract: A touch detection method includes the following steps: (1). providing a touch display device, wherein the touch display device includes a plurality of LED units and a plurality of switches, each LED unit includes a LED and a photo sensor, and the switches are electrically coupled to the LED units; and (2). enabling the LED and a photo sensor coupled to the conductive one non-simultaneously during a conductive period of a conductive one of the switches. As a result, an influence of a touch detection of the photo sensor by a light emission of the LED could be reduced.

Abstract: A frame correction method includes the following steps. Firstly, a correction frame is projected, wherein the correction frame has a number of original-boundary contour points. Then, in the first boundary contour adjustment, in response to a position adjustment of the first contour-adjusted one of the original-boundary contour points, correspondingly adjust the position of at least one symmetrical one of the original-boundary contour points, wherein at least one symmetrical one and the first contour-adjusted one are symmetrically disposed. Then, in response to the position adjustment of the first contour-adjusted one, a number of first new boundary contour points and a number of first open correction points are added.

Abstract: A display device is provided. The display device includes a display panel, a scaler integrated circuit, and a backlight device. The backlight device includes N light zones for providing a backlight to the display panel, wherein N is a positive integer. The backlight device lights each of the N light zones in a time-sharing manner in each of a plurality of scan periods. Each of the scan periods has a time length greater than or equal to a time length of a video active data period of the display panel. A continuous lighting time length of each of the N light zones is less than or equal to a quotient of the time length of the video active data period divided by N.

Abstract: A vehicle-based monitoring system, a vehicle-based monitoring method, and a drone are provided. The monitoring method includes: capturing a first image by a first image capture device of the vehicle; extending a feedback interval of the first image by the vehicle in response to a first included angle between a first line of sight of the first image capture device and a travel direction of the vehicle being greater than an angle threshold; and feedbacking the first image according to the feedback interval by the vehicle.

Abstract: A projection apparatus and an overheating protection method thereof are provided. An initial stable temperature corresponding to an initial accumulated usage time during an initial usage period is obtained by using a temperature sensor in the projection apparatus. At least one stable temperature respectively corresponding to at least one accumulated usage time is obtained by using the temperature sensor in the projection apparatus. An estimated time corresponding to a target temperature is estimated according to the initial accumulated usage time, the initial stable temperature, the at least one stable temperature, and the at least one accumulated usage time. A temperature protection operation of the projection apparatus is executed in response to a current accumulated usage time of the projection apparatus exceeding the estimated time.

Abstract: An optical engine module including a plastic housing, a first light source, and a light path turning unit is disclosed. The plastic housing has a first light incident side and a light emerging side. The light emerging side is adjacent to the light incident side. The first light source is disposed on the first light incident side, and configured to emit a first beam. The light path turning unit is disposed in the plastic housing, and configured to turn and transmit the first beam to the light emerging side. A material of the light path turning unit includes metal.

Abstract: A control method for an optical device includes a detector detecting a current position of a lens, a processor calculating a distance between the current position and a target position, the processor determining whether the current position is within a predetermined range according to the distance, and the processor controlling a driving device to move the lens into an allowable range according to whether the current position is within the predetermined range. The predetermined range and the allowable range are corresponding to the target position.

Abstract: A fixing module suitable for fixing to one of a first end and a second end of a screen bracket is provided. The fixing module includes a first part and a second part. The second part is slidably connected to the first part. The fixing module is configured to be fixed to the first end of the screen bracket by the first part or fixed to the second end of the screen bracket by the second part.

Abstract: A lamp for a laptop includes a lamp arm, a base, and a lamp body. The lamp arm has a connecting element and a first electrical contact located at the connecting element. The base has a first rotating shaft portion fixedly connected to the connecting element. The lamp body includes a casing, a circuit board, a second electrical contact, and a flexible circuit board. The casing has a second rotating shaft portion adapted to rotate relative to the first rotating shaft portion. The circuit board is disposed in the casing. The second electrical contact passing through the first rotating shaft portion is configured to contact the first electrical contact. The flexible circuit board is electrically connected between the circuit board and the second electrical contact. When the lamp body is rotated, the relative position of the second electrical contact and the first electrical contact is fixed.

Abstract: A light source module includes a laser light source, first and second dichroic mirrors, a focusing lens, a diffuser module, a light combining element, a reflector, and a diffuser. The laser light source emits a first color light and a second color light along a first direction. The focusing lens includes a first portion and a second portion arranged in the first direction. The first portion is disposed between the diffuser module and the first dichroic mirror, and the second portion is disposed between the diffuser module and the second dichroic mirror. The second dichroic mirror is disposed between the second portion and the light combining element, and the light combining element reflects at least a portion of the first color light and allows at least a portion of the second color light to pass through. The first dichroic mirror is disposed between the first portion and the reflector.

Abstract: An electronic device includes a body and a heat dissipation module. The body includes a display, and the display has a display surface. The heat dissipation module is disposed on the display. The heat dissipation module includes a casing and at least one first fan. The casing has a first opening. The first opening faces the display surface. The first fan is disposed in the casing, and the first fan includes an air inlet portion and an air outlet portion. The air outlet portion faces the first opening, wherein an airflow generated by the first fan flows out of the casing from the air outlet portion via the first opening to flow to the display surface. An ambient air outside the casing flows into the air inlet portion of the first fan via the first opening.

Abstract: An external electric adjusting module adapted for being externally connected to a lens includes a bracket including a first positioning portion, a gear set, a driving assembly driving the gear set to operate, and a variable resistance rotating member. The gear set is rotatably disposed on the bracket, is adapted for being externally connected to the lens, and includes a second positioning portion, a rotating shaft, and a first driving portion located on the rotating shaft. The variable resistance rotating member is sleeved on the rotating shaft, is electrically connected to the driving assembly, and includes a second driving portion corresponding to the first driving portion to be linked with the rotating shaft. When the gear set is located at an initial position together with the lens, the first and second positioning portions are aligned with each other, and the second driving portion abuts against the first driving portion.

Abstract: A multicolor laser source includes a collimator lens having first and second lens portions, a first laser unit for emitting light of a first color, a second laser unit for emitting light of a second color, a reflective unit disposed obliquely to a light-entrance axis of the first lens portion, a reflective diffusing member, and a lens array disposed on a light-exit axis of the second lens portion. The reflective unit is disposed opposite to the first and second laser units for reflecting the first and second color lights to the first lens portion along the light-entrance axis. The reflective diffusing member is disposed at a side of the collimator lens to homogenize the first and second laser lights and reflect the first and second color lights to the second lens portion along the first light-exit axis, to be outputted through the lens array.

Abstract: An intraoral scanner includes an image capturing device and a processor. A method of operating the intraoral scanner includes the image capturing device sequentially capturing M images of a buccal bite, the processor generating M sets of buccal bite point clouds according to the M images, the processor matching the M sets of buccal bite point clouds to generate a bite model, when the number of data points of the bite model exceeds a first threshold, the processor computing P sets of bite feature descriptors of the bite model, when a predetermined quantity of bite feature descriptors in a set of bite feature descriptors of the P sets of bite feature descriptors exceeds a second threshold, the processor performing a registration on an upper arch model and a lower arch model to the buccal bite mode to generate a full mouth model.