Abstract:
A camera device according to an embodiment of the present invention includes: an light output unit which outputs output light signals to be emitted to an object and includes a plurality of light sources arrayed according to predetermined rules; a lens unit which includes an infrared (IR) filter and at least one lens disposed on the IR filter, and focuses input light signals reflected from the object; an image sensor which generates electrical signals from the input light signals focused by the lens unit; an image processing unit which acquires depth information about the object by using phase differences or time differences between the output light signals and the input light signals received in the image sensor; and a control unit which controls the light output unit, the lens unit, the image sensor, and the image processing unit, wherein the plurality of light sources are divided into at least two light source groups, the control unit controls the output light signals to be output sequentially for each light source group, the image sensor includes at least two pixel groups divided for each of the light source groups, and the control unit controls the input light signals to be focused sequentially for each pixel group.
Abstract:
An image sensor according to an embodiment of the present invention includes: a pixel array in which a plurality of pixels are arrayed in a grid shape, and which converts reflection light signals reflected from an object into electrical signals; an image processor which converts the electrical signals to generate subframes, and extracts pieces of second depth information having a higher resolution than pieces of first depth information extracted from a plurality of the subframes; and a memory for storing the pieces of first depth information, wherein the reflection light signals are input to the pixel array through mutually different optical paths shifted in sub-pixel units of the pixel array, and the memory stores a plurality of the pieces of first depth information that correspond to the mutually different optical paths.
Abstract:
A camera module according to an embodiment includes an image sensor configured to output a plurality of image frames; a lens assembly disposed on the image sensor, the lens assembly forming an optical path of light incident on the image sensor from outside; a controller configured to generate a control signal to adjust at least one of the optical path of the lens assembly or the position of the image sensor relative to the lens assembly; and an image synthesizer configured to synthesize the plurality of image frames to generate a composite image, wherein the composite image has a higher resolution than the plurality of image frames, and wherein the plurality of image frames are respective image frames generated along respectively different optical paths changed by the lens assembly or respective image frames generated by change in the position of the image sensor relative to the lens assembly.
Abstract:
An optical device provided by the present invention can comprise: a light transmitting unit for generating a first beam for photographing a certain area; a light receiving unit for sensing a second beam returning from the certain area; a light separating unit for distinguishing and transmitting the first beam from the second beam; and a detection unit including a micro electro-mechanical system mirror (MEMS mirror) for transmitting the first beam by changing an optical axis up to a first steering angle, and for receiving the second beam.
Abstract:
A luminous flux control member includes an incident surface, a first optical surface that is separated from the incident surface in a direction of an optical axis and includes a concave portion recessed toward the incident surface, and a second optical surface that forms a side surface of the luminous flux control member. The first optical surface includes a connection portion that connects the concave portion to the second optical surface.
Abstract:
An optical lens, light emitting device, and display are provided. The optical lens may include a flange comprising an upper surface and a bottom surface, a protruder that protrudes with respect to the bottom surface, a first surface that extends from the upper surface of the flange, and a second surface inwardly recessed toward the protruder. The first surface and the second surface may meet to form an outer rim of the optical lens. The first surface may be sloped with respect to an optical axis, which is a straight line that passes through a center of the protruder and a center of the second surface. A ratio of a longest straight-line distance between outermost edges of the flange taken across the flange to a shortest straight-line distance from a lowermost point of the protruder to a plane including the outer rim may be approximately 0.5 to 5.
Abstract:
Disclosed are a luminous flux control member, which includes an incident surface onto which a light is incident, a reflective surface reflecting the incident light, and a light exit surface outputting the reflected light according to at least two orientation angles based on one direction perpendicular to a central axis connecting a center of the incident surface with a center of the reflective surface, a light emitting device and a display device having the same. The uniformity in the brightness of the display device is ensured and the display device is realized in small size
Abstract:
According to an embodiment of the present invention, disclosed is a camera module comprising: an optical output unit for outputting an optical signal to an object; an optical unit for transmitting the optical signal reflected from the object; a sensor for receiving the optical signal transmitted through the optical unit; and a control unit for acquiring the depth map of the object by using the optical signal received by the sensor, wherein the sensor includes an effective area in which a light receiving element is arranged and a non-effective area excluding the effective area, and includes a first row area in which the effective area and the non-effective area are alternately arranged in a row direction, and a second row area in which the effective area and the non-effective area are alternately arranged in the row direction, and in which the effective area is arranged in a column direction at a position not overlapping with the effective area of the first row area, light reaching the effective area of the first row area is controlled by means of first shifting control so as to reach the non-effective area of the first row area or the non-effective area of the second row area, and light reaching the effective area of the second row area is controlled by means of the first shifting control so as to reach the non-effective area of the second row area or the non-effective area of the first row area.
Abstract:
A camera module according to the present embodiment comprises: a light-emitting unit for outputting light to an object; a filter allowing the light to pass therethrough; at least one sheet of lens disposed on the filter and condensing the light reflected from the object; a sensor including a plurality of pixels aligned in an array and generating an electrical signal from the light condensed by the lens; and a tilt unit for tilting the filter such that an optical path of the light having passed through the filter is repeatedly moved according to a predetermined rule, wherein the tilt unit includes: a tilting driver for generating an output signal synchronized with an exposure cycle of the sensor on the basis of a trigger signal input from the sensor; and a tilting actuator for tilting the filter diagonally by the output signal.
Abstract:
According to one embodiment, disclosed is a method by which a camera module capable of acquiring depth information controls the output time point and the reception time point of light. By controlling both the output time point and the reception time point of light, the camera module can acquire the light of phases in which adjacent reception pixels differ from one another despite controlling light sources or reception pixels in line units.