93results about How to "Avoid refraction" patented technology

A lighting device 12 includes at least one point light source 17, an optical member 15a provided on a light output side of the lighting device 12 from the point light source 17. The optical member 15a is formed of a member having a substantially uniform light reflectance. A first light reflecting portion 31 is formed on a portion of the optical member 15a that overlaps the point light source 17, and the first light reflecting portion 31 reflects light from the point light source 17. A second light reflecting portion 30a, 23 is provided to reflect the light that is reflected by the first light reflecting portion 31 to be directed to the first light reflecting portion 31.

The invention provides a backlight module. The backlight module comprises a back board, a backlight source, a guide plate, a light guide plate, a reflective piece, an optical membrane set, a rubber frame and a baffle wall, wherein the backlight source is arranged in the back board; the light guide plate is arranged in the back board and is opposite to the backlight source; the reflective piece is arranged between the guide plate and the back board; the optical membrane set is arranged on the guide plate; the rubber frame is arranged on the back board; the baffle wall is arranged between the light guide plate and the rubber frame and is opposite to the backlight source; the trapezoidal baffle wall is provided with a bevel close to the backlight source; the bevel is provided with a reflective layer; and light incident to the baffle wall is reflected to the light guide plate by arranging the baffle wall with the reflective layer in a position opposite to the backlight source between the rubber frame and the light guide plate, so that the light is prevented from being refracted from a gap between the optical membrane set and the light guide plate to form a bright line, thereby the bright line problem of an incident side in a side incident backlight module is solved well. The backlight module provided by the invention has higher light coupling efficiency; and meanwhile, with the adoption of the backlight module, the brightness of the light guide plate is improved, brightness loss of light emitted by an LED (light emitting diode) light source is avoided, and the utilization ratio of the LED light source is improved.

A light flux control member has a back face provided with a first recess portion and ventilation grooves. Output light of the light emitting element arranged as to correspond to the first recess portion enters into the light flux control member via the first recess portion and ventilation grooves being emitted from a light control emission face of the light flux control member after inner-propagation. Refraction of incident light to second recess portions formed in the ventilation grooves hardly generate inner-propagation light which has travelling directions near to a direction of reference optical axis L. This avoids emission from the light control emission face from providing a ring-like bright part. In addition, heat emitted from the light emitting element can be released at a high efficiency because a space in the first recess portion communicates with the outside of the light flux control member.

A light emitting apparatus is provided which includes a plurality of light sources for emitting a light, and a light guide plate having a substantially plate shape orthogonal to the optical axis direction of the light source, which includes a light incident face into which a light exited from the light source is incident and a light exit face from which the light incident from the light incident face is exited. Irregularities each made of a first slope forming an angle θa with the plane of the light incident face and a second slope forming an angle θb with the plane of the light incident face are continuously formed on the light incident face.

The invention discloses an aerial radio monitoring intelligent robot. A receiving antenna, an electronic compass, a radio monitoring receiving unit, a central processing unit, a flight control module and a navigation module are all installed on a robot body. The central processing unit is connected with the flight control module, the electronic compass and the radio monitoring receiving unit. The navigation module is connected with the flight control module. The receiving antenna is connected with the radio monitoring receiving unit. The central processing unit firstly measures the direction of a radio signal source, then controls the robot body to fly through the flight control unit according to a direction measurement result and finally calculates the position of the radio signal source according to data further monitored on a flight track. According to the aerial radio monitoring intelligent robot, the navigation module is connected with the flight control module, and in-chip transmission is conducted on position information, so that pose correction instantaneity is improved, the error rate is reduced, influences of more modules are avoided, the safety of an aircraft is guaranteed, and the fault probability is reduced.

A touch panel having improved visibility is provided. The touch panel includes a window part, at least one ultraviolet (UV) resin layer attached to a bottom surface of the window part, and a display part including a touch sensor film module attached to a bottom surface of the at least one UV resin layer such that the UV resin layer prevents refractions and reflections of light.

A light source device includes a light conduction, a light source and a light diffusion component. The light conduction component has a first surface and a second surface opposite to the first surface. The second surface has a light input portion. The first surface has a light output portion substantially coaxial with the light input portion and having two opposite longitudinal ends and two opposite lateral ends. The light source is configured to emit lights to the light input portion. The first light diffusion component is positioned on the first surface, and includes row light diffusion components and column light diffusion components substantially perpendicular to the row light diffusion components. The row light diffusion components are positioned at the longitudinal ends of the light output portion. The column light diffusion components are positioned at the lateral ends of the light output portion.

A vehicle lamp includes a housing and a transparent cover, which is joined to the housing by a light ray welding. A front face of the transparent cover is curved and a rear face of the transparent cover includes a welding face portion formed along a circumferential portion thereof. In at least one section of the transparent cover, respective end portions of the front face corresponding to the welding face portion are inclined in different directions, and an angle of the welding face portion with respect to a reference line, which passes through the transparent cover and forms equal angles with respect to the respective end portions of the front face, is closer to a right angle than the angle of each of the end portions of the front face with respect to the reference line.

An image capturing device is disclosed. The image capturing device includes: a light-emitting component for generating a light ray; a light-guiding component for providing a first straight light-guiding path to guide the light ray generated by the light-emitting component toward a surface; and a sensor for sensing the light ray reflected by the surface to detect a movement of the image capturing device on the surface.

The invention relates to a 3D (Three-dimensional) glass cover plate for a mobile terminal and a manufacturing method thereof. The 3D glass cover plate for the mobile terminal comprises a glass cover plate body (1) and a printing ink covering part (2) which is arranged at the bottom surface (15) of the glass cover plate body (1); the glass cover plate body (1) comprises a flat panel part (11) and a 3D bending part (12) which is positioned on the edge; a transparent visible area (13) is enclosed in the centre of the printing ink covering part (2); the glass cover plate body (1) comprises a top surface (14), a bottom surface (15) and side surfaces (16) which are used for connecting the top surface (14) and the bottom surface (15); the printing ink covering part (2) extend to the side surfaces (16) to cover part or the whole of the side surfaces (16). According to the 3D glass cover plate for the mobile terminal, the chromatic aberration between an inner chamfer surface and a vertical lifting surface between the transparent visible area, and a decorating ring of the mobile terminal or a middle frame is avoided; a thorough problem is solved. The manufacturing method for the 3D glass cover plate for the mobile terminal provided by the invention is wide in application range; the problem about a mass production process of the 3D glass cover plate with four bent surfaces is solved.

Disclosed is a film or a panel that may measure pressure while interacting with an electronic device. A pressure sensor according to the present invention includes: a light source unit to generate light; an optical waveguide to transfer, to a light receiving unit, the light that is generated by the light source unit; and the light receiving unit to receive the light that is transferred through the optical waveguide. The optical waveguide includes a pressure sensing unit to adjust the quantity of light that is transferred through the optical waveguide based on a pressure. The light receiving unit senses the pressure based on the change in the quantity of light that is generated by the light source unit and is transferred through the optical waveguide.

A backlight module includes at least one point light source and a light guide plate. The light guide plate includes a light emitting surface, a bottom surface, a light incident surface, a first side surface, a second side surface, a first microstructure, and a second microstructure. The bottom surface is opposite to the light emitting surface, the light incident surface connects the light emitting surface and the bottom surface, the point light source is disposed adjacent to the light incident surface, and the first microstructure is formed on the light incident surface. The first side surface is opposite to the light incident surface and connects the light emitting surface and the bottom surface, and the second side surface connects the light emitting surface, the bottom surface, the light incident surface, and the first side surface. The second microstructure is formed on the second side surface.

The invention relates to a device and a method for detecting fluid magnetic particles. The device comprises an imaging module, an adsorption module, a control module, a light transmission piece and an image processing module, wherein the imaging module, the adsorption module and the light transmission piece are arranged on the same side of a runner; the adsorption module is electrically connected with the control module; the light transmission piece is fixed on the upper surface of the runner and is positioned in the center of the light path of the imaging module; the light transmission piece is positioned in a magnetic field generated by electrifying the adsorption module; the particles are adsorbed to the lower side of the light transmission piece by virtue of the adsorption module; the image processing module is respectively and electrically connected with the imaging module and the control module; the particle image signal output by the imaging module is processed and then uploaded to the control module; and the image signal is subjected to image analyzing and processing by virtue of the control module, so as to acquire the physical property data of the particles. The influence of bubbles in fluid on the imaging of the magnetic particles is eliminated, the magnetic particles in the fluid are detected, and the number, shape, texture and size of the magnetic particles in the fluid can be obtained.

The invention relates to a ball inductive switch which comprises a shell, a ball, a transmitter and a receiver, wherein an accommodating chamber, a transmitting chamber and a receiving chamber are arranged in the shell; light beams sent from the transmitter are transmitted to the receiver after passing through the accommodating chamber to form a direct communication path; the inner wall of the accommodating chamber is provided with recessed berths. When a ball is sunk in any one berth, the ball is in a stable balance state. The inner wall of the accommodating chamber is provided with three berths which respectively are a first berth, a second berth and a third berth. The first berth and the second berth are respectively a pit. The pit bottom of the first berth is provided with a transmitting port, and the pit bottom of the second berth is provided with a receiving port. The communication path passes through the transmitting port and the receiving port. When the ball rolls into the first berth or the second berth, the ball blocks the communication path; when the third berth is positioned between the first berth and the second berth, and is a circular channel surrounding the communication path. When the ball rolls into the third berth, the ball deviates from the communication path. The invention has the advantages of simple structure, stable signal and good communication.

The invention provides a novel displacement sensor with refractors and a measuring method thereof. The novel displacement sensor with the refractor comprises the components of a reflector which is used for receiving a laser beam that is reflected from a first reflecting surface of a triangular wave reflector, makes the laser beam be reflected to a second reflecting surface of the triangle wave reflector in a measuring process in which the laser beam is incident into the same first reflecting surface; and a spectroscope set which comprises a spectroscope and a light reflector, wherein the spectroscope and the light reflector are arranged in a certain included angle therebetween, and furthermore the laser beam which is reflected by the second reflecting surface of the triangle wave reflectoris incident to the spectroscope. Partial laser beam is reflected by the spectroscope and the light reflector and is incident to one refractor and is refracted and incident to a photoelectric detector, and the other partial laser beam is transmitted through the spectroscope and is incident into the other refractor for refraction and incidence into the photoelectric detector. According to the displacement sensor, through arranging the refractors, the measuring precision of the displacement sensor can be improved.

A display for imaging is disclosed. The display for imaging includes an aperture layer and a set of light modulators. The aperture layer includes a light absorbing layer disposed over a light reflecting layer, each layer having a set of apertures defined therein. The light absorbing layer includes light absorbing material suspended in a photosensitive resin. The set of light modulators are used for modulating light passing through the apertures defined in the aperture layer.

The invention relates to a ball bearing switch that comprises a base, a emitter, a receiver, a ball bearing, and a outer cover which covers said subassembly. The base includes a bottom block, a center block, a first bearing block, a second bearing block are extended from the bottom block, a containing groove which is set on the center block to contain the ball bearing, a emitting head which is set on the first bearing block and the second bearing block to bear the emitter, a first bearing surface, a second bearing surface of a receiving head, and the first channel, the second channel which link the two bearing surface. The outer cover includes a first pressing block, a second pressing block and a stopper which prevents light beam to be reflected which are pressed on the emitter and the receiver. So, the invention can prevent light beam to be reflected and scattered effectively, and without fault operation.

The invention discloses a global shutter image sensor unit. The global shutter image sensor unit comprises a substrate, and a shallow slot isolation region, a transmission transistor gate, a photodiode and a floating diffusion region which are arranged on the substrate, and a conductive light blocking layer arranged above the substrate, wherein the conductive light blocking layer is adjacently located above the floating diffusion region and completely covers the floating diffusion region, a lower surface of the conductive light blocking layer is connected with an upper surface of the floatingdiffusion region, and an upper surface of the conductive light blocking layer is connected with a metal interconnection layer arranged above the substrate. The global shutter image sensor unit is advantaged in that through a lightproof silicide conductive light blocking layer arranged above a storage node capacitor of the floating diffusion region, the floating diffusion region is effectively prevented from being influenced by illumination, and the parasitic light response of the global shutter image sensor unit is reduced.