Abstract: A virtual cinema interactive system includes a server and at least two user terminals. The user terminals communicate with the server. An inviter can invite his friends to watch film together on a virtual cinema displayed on each user terminal, and distribution of virtual cinema seating, talking between film watchers, and film watcher reactions to the film can be recognized and facilitated. A virtual cinema interactive method is also disclosed.

Abstract: A virtual cinema interactive system includes a server and at least two user terminals. The user terminals communicate with the server. An inviter can invite his friends to watch film together on a virtual cinema displayed on each user terminal, and distribution of virtual cinema seating, talking between film watchers, and film watcher reactions to the film can be recognized and facilitated. A virtual cinema interactive method is also disclosed.

Abstract: A small size laser distance measuring device which measures a distance to an object includes a laser emission module, a collimating lens, a first micro electromechanical system, a second micro electromechanical system, a focusing lens, and a laser receiving module. The first micro electromechanical system and the second micro electromechanical system are rotatable. The laser distance measuring device has small volume and large field of view.

Abstract: A high-precision distance detecting device using laser beam includes a laser transmitter, a laser receiver, and at least one lens assembly. Each lens assembly includes a collimating lens portion facing the laser transmitter and a focusing lens portion facing the laser receiver. The focusing lens portion is connected to the collimating lens portion.

Abstract: A method includes providing a semiconductor substrate having first and second regions that are doped with first and second dopants respectively. The first and second dopants are of opposite types. The method further includes epitaxially growing a first semiconductor layer that is doped with a third dopant. The first and third dopants are of opposite types. The method further includes depositing a dielectric hard mask (HM) layer over the first semiconductor layer; patterning the dielectric HM layer to have an opening over the first region; extending the opening towards the semiconductor substrate; and epitaxially growing a second semiconductor layer in the opening. The second semiconductor layer is doped with a fourth dopant. The first and fourth dopants are of a same type. The method further includes removing the dielectric HM layer; and performing a first CMP process to planarize both the first and second semiconductor layers.

Abstract: A method includes providing a semiconductor substrate having first and second regions that are doped with first and second dopants respectively. The first and second dopants are of opposite types. The method further includes epitaxially growing a first semiconductor layer that is doped with a third dopant. The first and third dopants are of opposite types. The method further includes depositing a dielectric hard mask (HM) layer over the first semiconductor layer; patterning the dielectric HM layer to have an opening over the first region; extending the opening towards the semiconductor substrate; and epitaxially growing a second semiconductor layer in the opening. The second semiconductor layer is doped with a fourth dopant. The first and fourth dopants are of a same type. The method further includes removing the dielectric HM layer; and performing a first CMP process to planarize both the first and second semiconductor layers.

Abstract: A wavelength division multiplexing device with reduced signal loss and lower cost includes a casing, focusing lenses, and light splitters. The casing has walls defining slots. The focusing lenses are in an array. The light splitter includes prisms and filters. Each filter has opposite ends, ends being received in slot of the second sidewall and slot of the fourth sidewall. The prisms are positioned at the bottom plate and correspond to the focusing lenses. Each prism has an inner inclined surface facing the corresponding filter and signal light is selectively refracted and directed, to extract light of a particular wavelength and allow the through transmission of unextracted light towards subsequent light splitters.

Abstract: A coarse wavelength division multiplexing (CWDM) device includes a supporting frame, a collimating lens, focusing lenses, a supporting block, and a light splitter. The supporting frame includes first frame portion with collimating lens and a second frame portion with focusing lenses arranged in an array along an extending direction of the second frame portion. The supporting block includes a first sidewall facing the first frame portion and a second sidewall facing the second frame portion. The light splitter includes a mirror on the first sidewall and a plurality of filters on the second sidewall, the filters being arranged in an array along an extending direction of the second sidewall. The filters correspond to the focusing lenses.

Abstract: A method includes providing a semiconductor substrate having first and second regions that are doped with first and second dopants respectively. The first and second dopants are of opposite types. The method further includes epitaxially growing a first semiconductor layer that is doped with a third dopant. The first and third dopants are of opposite types. The method further includes depositing a dielectric hard mask (HM) layer over the first semiconductor layer; patterning the dielectric HM layer to have an opening over the first region; extending the opening towards the semiconductor substrate; and epitaxially growing a second semiconductor layer in the opening. The second semiconductor layer is doped with a fourth dopant. The first and fourth dopants are of a same type. The method further includes removing the dielectric HM layer; and performing a first CMP process to planarize both the first and second semiconductor layers.

Abstract: An aspheric lens is rotating symmetrically with a central optical axis, the aspheric lens includes a first optical surface and a second optical surface opposite to the first optical surface, the second optical surface includes a first portion, the first portion is formed in a rotation symmetrical formed with the central optical axis and is flat.

Abstract: A method includes providing a semiconductor substrate having first and second regions that are doped with first and second dopants respectively. The first and second dopants are of opposite types. The method further includes epitaxially growing a first semiconductor layer that is doped with a third dopant. The first and third dopants are of opposite types. The method further includes depositing a dielectric hard mask (HM) layer over the first semiconductor layer; patterning the dielectric HM layer to have an opening over the first region; extending the opening towards the semiconductor substrate; and epitaxially growing a second semiconductor layer in the opening. The second semiconductor layer is doped with a fourth dopant. The first and fourth dopants are of a same type. The method further includes removing the dielectric HM layer; and performing a first CMP process to planarize both the first and second semiconductor layers.

Abstract: A light guide device includes a main body defining a cavity, a lens received in the cavity, and a light guide block extending from the main body. The main body has a top surface and a peripheral side surface connecting the top surface. The light guide block extends from the peripheral side surface in a form of a curve along a direction from a position of the peripheral side surface adjacent to the top surface towards an end of the main body opposite to the top surface. The light guide block curves away from the peripheral side surface along the direction. The light guide block has an incident surface parallel to the top surface and a plurality of side surfaces connecting the incident surface and the peripheral side surface.

Abstract: An input device for use with an electronic system. The input device includes: a substantially planar input surface comprising a capacitive sensor layer configured to sense positional information for an input object, the input surface having a first zone and a second zone, wherein the second zone is configured to deflect in response to force applied to the second zone by the input object; a stiffener substrate having a first portion affixed to a bottom surface of the first zone, and at least one finger extending parallel to and spaced apart from the second zone; and an actuation mechanism disposed between the finger and the second zone.

Abstract: An optical lens includes a central optical portion and a mounting portion around the central optical portion. The central optical portion has a bottom and defines a central cavity recessed upwardly from the bottom. The central cavity is provided for receiving a light source therein. The bottom defines at least a frosted portion around the central cavity and at least a microstructure portion around the at least a frosted portion. A roughness of the at least a microstructure portion is larger than a roughness of the at least a frosted portion. The roughness of each of the at least a microstructure and frosted portion is gradually decreased alone a direction toward the central cavity.

Abstract: A useful HIV remedy process consists of 4 elements: guinea pig or mouse peritoneal derived adherent macrophages/monocytes as effector cells; cyclophosphamide as an immuno suppressor; chicken RBC as target cells; and the anti-HIV1 agent candidate to be examined. Immunovir and components were isolated from Pyrus serotina Rehder and other species of Rosaceae by column chromatography.

Abstract: In a TV screen splitting system and method, a single screen is split into multiple sub-screens according to a defined number. The sub-screens are each associated with at least one remote control device, and wherein one sub-screen relates to one application. Applications relating to the sub-screens are enabled and displayed on the sub-screens. An instruction corresponding to a selected application can be given by the remote control device. The selected application displayed on a sub-screen can be controlled via the remote control device according to the received instruction.

Abstract: An aspheric lens is rotating symmetrically with a central optical axis, the aspheric lens includes a first optical surface and a second optical surface opposite to the first optical surface, the second optical surface includes a first portion, the first portion is formed in a rotation symmetrical formed with the central optical axis and is flat.

Abstract: A lens includes a light incident surface and a light output surface. In a coordinate system, the light incident surface satisfies a formula (1): Z r 1 = c 1 ? r 1 2 1 + 1 - r 1 2 ? c 1 2 + u 1 2 ? ( 1 - u 1 2 ) 1 - r 1 2 ? c 1 2 ? ? m = 0 M ? a m ? Q m ? ( u 1 2 ) . c1 is a curvature of the light incident surface. r1 is a distance from the center of the lens to a joint point between the light input surface and a radius which is substantially perpendicular to the central axis of the lens. u1 is a normalized radius of the light incident surface. am represents the aspheric coefficient. Qm is a polynomial of order m and represents that the sum of am is equal to the sum of the root mean square of the slope of the light incident surface.

Abstract: In a TV screen splitting system and method, a single screen is split into multiple sub-screens according to a defined number. The sub-screens are each associated with at least one remote control device, and wherein one sub-screen relates to one application. Applications relating to the sub-screens are enabled and displayed on the sub-screens. An instruction corresponding to a selected application can be given by the remote control device. The selected application displayed on a sub-screen can be controlled via the remote control device according to the received instruction.

Abstract: A lens includes a light incident surface and a light output surface. In a coordinate system, the light incident surface satisfies a formula (1): Z r 1 = c 1 ? r 1 2 1 + 1 - r 1 2 ? c 1 2 + u 1 2 ? ( 1 - u 1 2 ) 1 - r 1 2 ? c 1 2 ? ? m = 0 M ? ? a m ? Q m ? ( u 1 2 ) . c1 is a curvature of the light incident surface. r1 is a distance from the center of the lens to a joint point between the light input surface and a radius which is substantially perpendicular to the central axis of the lens. u1 is a normalized radius of the light incident surface. am represents the aspheric coefficient. Qm is a polynomial of order m and represents that the sum of am is equal to the sum of the root mean square of the slope of the light incident surface.