Abstract: A display device and a display method are provided. The display device comprises a housing, a translucent module, a projecting unit and an object detection sensor. The housing comprises a containing space. The translucent module is disposed on the surface of the housing. The projecting unit is disposed in the containing space, and coupled to a controller. The projecting unit is configured to project projection light to the translucent module. The object detection sensor is disposed on the display device and coupled to the controller. When the object detection sensor senses that a moving object exists in a first preset distance range away from the housing, the object detection sensor outputs an object sensing signal to the controller. The controller controls the projecting unit and the translucent module based on the object sensing signal, so as to project a projection picture.

Abstract: A smart lighting device includes an illumination module, an image projection module and a projection mode switching module. The image projection module is pivoted to the illumination module and has a plurality of operation modes. The image projection module rotates relative to the illumination module and is switched among a standby mode and the operation modes. The projection mode switching module is configured to sense a rotation angle of the image projection module with respect to the illumination module. A brightness value of the illumination module and an image frame of the image projection module are adjusted according to the rotation angle.

Abstract: A smart lighting device includes an illumination module, an image projection module, a camera module, a sensing module and an identifying module. The illumination module is configured to provide illumination light beams. The image projection module is configured to project an image frame. The sensing module has a specific sensing area and is configured to sense an operation action of a user within the sensing area. The identifying module is electrically connected to the image projection module, the camera module and the sensing module. The camera module is configured to shoot a content to be identified to form an image to be identified. The identifying module is configured to identify the image to be identified. The image projection module is configured to display information acquired by the identifying module in the projected image frame. A control method for the smart lighting device is also provided.

Abstract: A picture selection method of projection touch for a projection touch system is provided. The projection touch system includes an image projection module, a sensing module, an image recognition module including at least one camera module and a processing unit. The picture selection method includes: the sensing module sensing and transferring a first projection coordinate on the target picture at a first time point of a sensing action; the sensing module sensing and transferring a second projection coordinate on the target picture at a second time point of the sensing action; the processing unit selecting at least one to-be-selected picture in the target picture based on the first and second projection coordinates and generating a set of selected image data; and the processing unit controlling the selected image data projected by the image projection module to move to a designated position according to a movement instruction of the user.

Abstract: A computer system having a sensing function includes a base, a first light emitting assembly and a second light emitting assembly. The base is disposed on a bearing surface. The first light emitting assembly is disposed in the base and has a first optical axis. The second light emitting assembly is disposed in the base and has a second optical axis. A distance between the firs optical axis and the second optical axis is D. An inner edge of a first light source emitted by the first light emitting assembly and an inner edge of a second light source emitted by the second light emitting assembly intersect at a point on the bearing surface, thereby forming an irregular-shaped sensing region having a boundary passing through the point. A length of a shortest side of the irregular-shaped sensing region is less than or equal to 2D.

Abstract: A smart lighting device includes a light source module, an image projection module and an ambient light sensing module. The image projection module is pivoted to the light source module, and the ambient light sensing module is electrically connected to the light source module and the image projection module. The ambient light sensing module is configured to sense a brightness value of ambient light. Brightness values of the light source module and the image projection module are adjusted according to the brightness value of the ambient light sensed by the ambient light sensing module. A control method for a smart lighting device is also provided.

Abstract: A projection apparatus includes an image projection module, a lens module and a light emitting module. The image projection module has a first optical axis and forms a projection area on a bearing surface. A projection of the first optical axis on an X-Z plane is perpendicular to an X-Y plane on which the projection area is formed. The lens module comprises N cameras, each having a corresponding second optical axis and being for forming a shooting area. The N second axes are tilted to the first optical axis and have an angle with respect to the X-Z plane. The light emitting module includes M light emitting components, each having a corresponding third optical axis and being for forming a sensing area. The projection area, the N shooting areas and the M sensing areas are at least partially overlapped with each other to form a rectangular shooting sensing area.

Abstract: A projection device includes a projection module and a first camera module. The projection device has a first optical axis and configured to form a projection area, wherein a projection of the first optical axis on an X-Z plane of the projection device is perpendicular to an X-Y plane on which the projection area is formed. The first camera module is disposed on a side of the projection module and includes a second optical axis, wherein the first camera module is configured to form a first shooting area, the second optical axis forms a first angle ??1 with respect to the first optical axis, the projection area at least partially overlaps the first shooting area to form an overlapping area, and the first angle ??1 is a function of a distance between the projection module and the first camera module.