Abstract: An image processing apparatus includes a camera module, first and second pixel extraction interfaces, an image processing module, and a focus controller. The camera module includes a lens, a sensor aligned with the lens along a direction, and a focus actuator connected to the lens. The first and the second pixel extraction interfaces are connected to the sensor to acquire a first image at a first frame rate and a second image at a second frame rate, respectively; the second frame rate is greater than the first frame rate. The image processing module determines depth information according to the second image, receives the first image and outputs a corresponding image file. The focus controller is connected between the image processing module and the focus actuator to drive the focus actuator according to the depth information and to adjust a relative distance between the sensor and the lens.

Abstract: A backlight module includes a light guide plate, a light coupling unit and a plurality of light emitting devices. The light guide plate has a light incident side. The light coupling unit includes a plurality of light coupling devices arranged in a side-by-side manner. Each light coupling device has a first side and a second side, and the first and second sides are opposite to each other. The second side is adjacent to the light incident side. Each light coupling device is configured to have a thickness gradually decreasing from the first side toward the second side. The light emitting devices are disposed beside the first sides of the light coupling devices. Another backlight module is also provided.

Abstract: An active filter includes a transparent area and a non-transparent area; a first cavity arranged in the transparent area and formed between a first pair of electrode plates; a second cavity arranged in the non-transparent area and formed between a second pair of electrode plates, wherein the second cavity connects to the first cavity through a first passage; a first liquid flowing between the first cavity and the second cavity for filtering light within a first wavelength range; and a controller for selectively applying a voltage difference to the first pair of electrode plates or the second pair of electrode plates to make the first liquid flow into one of the first cavity and the second cavity.

Abstract: A backlight module includes a light guide plate, at least one light source, and a light-reflecting plate. The light guide plate includes a light-emitting surface, a bottom surface, a light-incident surface, and a guiding tilt surface. One end of guiding tilt surface and light-emitting surface are intersected at a first boundary, and the other end connects to a top edge of light-incident surface. The guiding tilt surface extends toward a direction of protruding the light-emitting surface. The horizontal distance between the first boundary and light-incident surface is L. The light-reflecting plate is disposed under the bottom surface. When the horizontal distance d between light-incident surface and an end of light-reflecting plate near light-incident surface is less than L, the horizontal distance between a vertical projection of the end on light-emitting surface and first boundary is not more than 0.5 mm. When d is more than L, x is at least 0.5 mm.

Abstract: An image processing apparatus includes a camera module, first and second pixel extraction interfaces, an image processing module, and a focus controller. The camera module includes a lens, a sensor aligned with the lens along a direction, and a focus actuator connected to the lens. The first and the second pixel extraction interfaces are connected to the sensor to acquire a first image at a first frame rate and a second image at a second frame rate, respectively; the second frame rate is greater than the first frame rate. The image processing module determines depth information according to the second image, receives the first image and outputs a corresponding image file. The focus controller is connected between the image processing module and the focus actuator to drive the focus actuator according to the depth information and to adjust a relative distance between the sensor and the lens.

Abstract: A camera device is provided. The camera device includes a flash unit, an image capture module, and a controller. The flash unit generates a preset flash with a predetermined Correlated Color Temperature value to illuminate an object, and the image capture module captures a test image from the object when the preset flash illuminates the object. The controller determines an adjusted CCT value according to a color difference between the test image and a predetermined color. When the controller has determined the adjusted CCT value, the flash unit generates an adjusted flash with the adjusted CCT value to illuminate the object. When the adjusted flash illuminates the object, the image capture module captures an adjusted image.

Abstract: A sheetless backlight module and a light guide plate thereof are provided. The light guide plate includes a body and a plurality of light scattering units. The body has a bottom and a plurality of microstructures formed on the bottom and recessed in the body from the bottom. The pluralities of light scattering units are disposed in a plurality of spaces formed due to the plurality of microstructures recessed in the body. A manufacturing method of the light guide plate mentioned above includes forming the plurality of microstructures on the bottom of the body; preparing a fluid solution containing at least a diffusive reflective material; distributing the fluid solution on the bottom; driving the fluid solution to flow into the microstructures; removing the part of the fluid solution outside the microstructures; and solidifying the fluid solution to form the plurality of light scattering units.

Abstract: An image-capturing device having an image identification mechanism is provided. The image-capturing device comprises a first and a second flashlight modules, a processing module and an image-capturing module. The first and the second flashlight modules generate a first and a second color lights respectively according to a first and a second currents. The processing module controls the first and the second flashlight modules to flash light at an object sequentially within a time interval. The image-capturing module generates a first frame according to the object and the first color light and generates a second frame according to the object and the second color light. The processing module subtracts the pixels in the first and the second frames to retrieve a foreground area. A color difference between the first and the second frames for each the pixels in the foreground area is larger than a threshold value.

Abstract: A display device includes a backlight module, a display panel, a prism film, a light-splitting layer, and a grating layer. The light-splitting layer splits light into a first backlight group and a second backlight group, wherein the two groups are inclined in different directions relative to a light-emitting surface of the backlight module. The grating layer allows the first backlight group to pass while blocking the second backlight group. The prism film has a plurality of prisms disposed facing the display panel. Each prism has a first surface and a second surface, wherein the angle between the first surface and the normal line to the light-emitting surface is greater than the angle between the second surface and the normal line to the light-emitting surface.

Abstract: A light source module and an electronic device are provided. The light source module includes a light guiding plate, at least one light-emitting element and a quantum dot element. The light guiding plate has a light incident surface and a light emitting surface. The at least one light-emitting element is disposed on the light incident surface to provide a first light beam, and includes yttrium aluminum garnet (YAG). The quantum dot element is disposed on the light emitting surface of the light guiding plate, and is configured to transfer part of the first light into a first monochromatic light. White light can be obtained by mixing by the first light and the first monochromatic light.

Abstract: An image adjusting method, a light source module, and an electronic device are provided. The image adjusting method includes the following steps. A first set of light source and a second set of light source of the light source module are driven independently by corresponding driving intensity respectively. An image display command is received. The driving intensity corresponding to the first set of light sources and the second set of light sources respectively are adjusted according to the image display command, wherein a gamut of the first set of light sources is wider than that of the second set of light sources, and luminous efficacy of the second set of light sources is higher than that of the first set of light sources.

Abstract: A light source module includes a light guide element, at least one light-emitting element, and a quantum dot element. The light guide element has a light incident surface and a light exiting surface. The light-emitting element is disposed at the light incident surface for providing a first color light. The quantum dot element converts only a portion of the first color light into a first monochromatic light. The first color light and the first monochromatic light are mixed into a white light.

Abstract: A sheetless backlight module and a light guide plate thereof are provided. The light guide plate includes a body and a plurality of light scattering units. The body has a bottom and a plurality of microstructures formed on the bottom and recessed in the body from the bottom. The pluralities of light scattering units are disposed in a plurality of spaces formed due to the plurality of microstructures recessed in the body. A manufacturing method of the light guide plate mentioned above includes forming the plurality of microstructures on the bottom of the body; preparing a fluid solution containing at least a diffusive reflective material; distributing the fluid solution on the bottom; driving the fluid solution to flow into the microstructures; removing the part of the fluid solution outside the microstructures; and solidifying the fluid solution to form the plurality of light scattering units.

Abstract: A light guide plate includes a main body portion and inclined light guide portions having at least one recess. The main body portion has a first light incident surface, a bottom surface that is adjacent to the first light incident surface, and a light emitting surface that is opposite to the bottom surface. The inclined light guide portions disposed on the main body portion have a second light incident surface and at least one inclined surface. The second light incident surface is connected to the first light incident surface of the main body portion. The inclined surface is connected to the light emitting surface of the main body portion. At least one recess is formed between the inclined light guide portions. In addition, a wedge-shaped body can further be formed between the main body portion and the inclined light guide portions.

Abstract: An image capturing apparatus and a method for obtaining a depth information of field thereof are provided. The image capturing apparatus includes a first image capturer, a second image capturer and a controller. The first image capturer performs an image capturing operation according to a plurality of focal lengths to respectively obtain a plurality of zoom images. The second image capturer performs an image capturing operation according to one focal length to obtain a fixed-focus image. The controller is coupled to the first and second image capturers, and the controller generates a plurality of depth information of field respectively corresponding to the focal lengths of the zoom images according to an image difference of the fixed-focus image and the zoom image.

Abstract: A touch display device includes a display panel, a light guide plate, at least an invisible light emitting device, and a first light path converting device. The light guide plate includes a plurality of microstructures to reflect an invisible light generated by the invisible light emitting device such that the invisible light passes through the display panel, reaching the first light path converting device.

Abstract: A touch display device includes a display panel, a touch panel, a plurality of first light sources, a plurality of light sensors and at least one second light source. The display panel has a display surface. The touch panel is disposed above the display panel and includes a transparent part, a plurality of light guide parts configured to protrude from the surface of the transparent part thereby corporately forming a touch region on the surface. The first light sources and first light source is reflected by the light guide parts so as to emit above the touch region and be received by the light sensors. The second light source is configured to emit visible light beams, which is emitted out via the touch panel.

Abstract: A light guide plate includes a plate body and a light incident portion, wherein the plate body has a top plate surface. The light incident portion is formed on a side of the plate body and has a thickness increasing as the light incident portion extends away from a center of the plate body. In addition, the light incident portion has a top surface connected to the top plate surface and lifted from the top plate surface to include an angle with the top plate surface. The top surface includes a first incline and a second incline, wherein the first incline connects to a side of the top plate surface and has a first average slope. The second incline has a side connected to a side of the first incline opposite to the top plate surface and has a second average slope larger than the first average slope.

Abstract: An optical touch panel includes a substrate, a single planar light generator, at least a retro reflector device, and a single photo sensor array. The substrate has a surface. The single planar light generator is disposed outside the surface of the substrate for generating a planar light, where the illuminating range of the planar light covers the range of the surface of the substrate. The retro reflector device is disposed on a side of the substrate for reflecting the planar light. The single photo sensor array is disposed outside the surface of the substrate for sensing the reflected planar light and generating reflected light distribution information.

Abstract: A display device includes a backlight module, a display panel, and a prism film. The backlight module has a light-emitting surface and generates backlight along an average light-emitting direction that is inclined with respect to the light-emitting surface. The display panel is disposed above the light-emitting surface such that backlight from the backlight module passes through the display panel along the inclined direction. The prism film is disposed on one side of the display panel opposite to the backlight module, wherein the prism film has a plurality of prisms disposed side-by-side on one side of the prism film facing the display panel. An extending direction of the prisms at least partially traverses across the average light-emitting direction. Two sides of each prism are respectively a first surface and a second surface, wherein the first surface and the second surface are asymmetric and projection areas of the first surface and the second surface onto the prism film do not overlap.