71results about How to "Improve light guide effect" patented technology

The invention discloses an infrared touch screen for changing infrared light transmission paths and a touch point recognizing method for the infrared touch screen. In the touch screen, infrared light emitted by an infrared emission unit positioned on a non-touch face of the touch screen is changed in ray transmission direction by an emitting light guide unit prior to being transmitted to a touch face to form an infrared ray optical network, and then is changed in ray transmission direction by a receiving light guide unit prior to being transmitted to an infrared receiving unit of a non-touch face of the touch screen. By the aid of the infrared touch screen and the method, touch suspension height of the infrared touch screen is decreased, light interference resistance of the infrared touch screen is enhanced, and the protruded height and width of the edge of the touch face of the infrared touch screen are decreased.

The invention discloses a backlight module. The backlight module comprises a light source and a light guide plate, the light guide plate comprises a first side face, a second side face, a first end face and a second end face, the first side face and the second side face are opposite to each other, and the first end face and the second end face are connected between the first side face and the second side face; the light guide plate is provided with a first through hole communicated with the first end face and the second end face, the first through hole comprises an inner wall face, the secondend face comprises a first light guide area and a second light guide area which are connected with each other, and the first light guide area is located between the inner wall face and the second sideface; the second end face is provided light guide points, the distribution density of the light guide points located in the first light guide area is larger than that of the light guide points located in the second light guide area, and the light source exactly faces the first side face. The invention further discloses a display screen assembly and electronic equipment. The backlight module can provide the backlight source with uniform brightness, and the display effect of the display screen assembly and the electronic equipment is good.

A fiber optics dental post includes a resin body and plural fiber optics center shafts; wherein the resin body includes an outer peripheral face, a receiving irradiation portion, and a bottom; each of the fiber optics center shafts pierces through and is fixed in the resin body, and has a receiving irradiation end and a light-guide irradiation end; each receiving irradiation end placed on the receiving irradiation portion of the resin body is used to receive the light irradiating on the receiving irradiation portion, and each light-guide irradiation end is respectively placed on the outer peripheral face and at the bottom of the resin body, thus the light received by each receiving irradiation end is propagated to the outer peripheral face and the bottom of the resin body through the light-guide irradiation end for irradiation, so as to effectively enhance the adhesion strength of the dental post.

The invention provides a method for manufacturing a glass light guide plate. The method includes the following steps: preparing a glass substrate with a preset size, preferably an ultra clear glass in order to increase the properties of the light guide plates, cleaning and edging the ultra clear glass, one side of the glass substrate serving as a lattice point side, coating a protection film to the lattice point side; using a laser engraving machine to print dots of a predetermined lattice point pattern on the lattice point side, adjusting the laser intensity to the maximum level upon printing dots so that the glass substrate does not generate fine cracks; performing printing or coating on the lattice point side or spraying a printing ink to the lattice point side and curing the printing ink which can be selected from an UV curing printing ink or a thermal curing printing ink; and unveiling the protection film to obtain the glass light guide plate. The method herein uses a laser dotting method to form light guide points, uses the protection film, and synchronously perforates in the process of the laser dotting, obviates the need for silk screen printing in coating the printing ink and can perform direct printing, unveils the protection film after performing curing and can form recessed light guide lattice points which are coated with light guide printing ink. The method herein increases production efficiency and light guide properties.

The invention discloses a shopping mall anti-theft device with an advertisement displaying function. The device comprises a supporting frame, an alarming system and two advertisement displaying parts,the supporting frame is a rectangular framework, the alarming system is fixed in the frame, two advertisement displaying parts are arranged on two sides of the supporting frame respectively, an anti-theft function is provided for the shopping mall anti-theft device by the alarming system, the advertisement displaying function is directly provided for the shopping mall anti-theft device by the advertisement displaying parts, wherein the supporting frame comprises a base and two aluminum section bars, the two aluminum section bars are fixed on the base at an interval, the advertisement displaying parts comprise acrylic displaying panels, light guiding panels and aluminum-based LED lamp strips, two ends of the acrylic displaying panels are fixed in a displaying panel groove of the supportingframe, two ends of the light guiding panels are fixed in a light guiding panel groove of the supporting frame, the aluminum-based LED lamp strips are fixed in an LED lamp strip groove of the supporting frame, and advertisement lamp sheets are arranged between the acrylic displaying panels and the light guiding plates at intervals, so that the shopping mall anti-theft device is attractive in appearance, and the advertisement displaying effect is obvious.

The invention relates to a point-type heat fire detector. The point-type heat fire detector comprises a shell and a circuit board in the shell, wherein a thermistor and a light emitting diode are arranged on the circuit board; a light guide column and a plate-like middle fastener are arranged in the shell; the shell comprises a base, an annular middle cover and an upper cover, which are sequentially connected; an outer contour which consists of the base, the annular middle cover and the upper cover is in a shape of a hemispherical table; the upper cover is positioned on the top of the hemispherical table; the middle fastener is clamped in the annular middle cover; the circuit board is clamped on the middle fastener; the surface of a light emitting part of the light emitting diode faces the upper cover; the light guide column has a columnar bending structure; one end of the light guide column faces and approaches the light emitting part of the light emitting diode, and the other end of the light guide column is bent to the top of the upper cover along the radian of the upper cover and corresponds to an annular through structure which is arranged on the upper cover; and one end of the light guide column, which is bent along the radian of the upper cover, is bent back at the end head, so the light conduction directions of the end heads of the two ends of the light guide column are the same. By adoption of the point-type heat fire detector, a light emitting display effect can be improved, an installation process is simplified, and reliability is improved.

The invention relates to a hidden outward-opening handle. The hidden outward-opening handle comprises a handle body, a light guide part and a shell; the handle body is provided with an installation face; the installation face is provided with a light emitting part; the light guide part is arranged on the installation face and makes contact with the light emitting part; the shell is arranged on the installation face and covers the light guide part; and the side wall of the shell is provided with a first opening used for light transmission. According to the hidden outward-opening handle, the light emitting part capable of emitting a line light source is arranged in the handle body, the light guide part for converting the line light source into an area light source is arranged in the handle body, the light guide part is arranged between the handle body and the shell, the light guide part synchronously moves along with the handle body, a user can accurately find the holding position of the pop-up handle through light transmitted from the first opening in the shell, and then a vehicle door can be rapidly opened; and the light guide part synchronously moving along with the handle body enables a door opener to observe light emitted by the light guide part at multiple angles.

A card edge connector includes a longitudinal insulating body, a plurality of conductive terminals received in the insulating body, and a metal member disposed on the insulating body. The insulating body has two side walls extending in the longitudinal direction, end walls connecting the two side walls and a central slot formed by the two side walls and the two end walls, the card edge connector further comprises a light guide plate fixed on the outer side of the metal member, the metal member is located outside the insulating body to enhance product strength, and the light guide plate is placed outside the metal member to enhance the light guiding effect of the product.

A novel solidifying machine comprises a main machine seat and a main electrical cabinet. The main machine seat comprises a main lathe body and an upper frame. The two sides of the main lathe body are provided with sliding guide rod groups. The sliding guide rod groups are connected with the main lathe body and the upper frame. The main lathe body is further provided with a tempered glass platform which is horizontally fixed. The tempered glass platform is used for placement of matrixes. An ultraviolet radiator array is arranged below the temperate glass platform. The upper frame is provided with a lining top plate and an outer top plate. The lining top plate is provided with a cooling fan array. The outer top plate is provided with corresponding through holes corresponding to the cooling fans in position. An auxiliary electrical cabinet is further arranged on one side of the main lathe body. The auxiliary electrical cabinet is electrically connected with the sliding guide rod groups, the ultraviolet lamp array, the cooling fan array and the main electrical cabinet. According to the novel solidifying machine, a light source emitted by the ultraviolet radiator array is fully converted, the manufactured words are high in luminous effect and uniform in luminance, and the light transmittance and light conductivity of the manufactured words are far higher than those of traditional acrylic materials and epoxy resin materials.

The invention relates to a two-dimensional photo-catalytic fluidized bed device which comprises a plurality of two-dimensional fluidized beds distributed side by side and made of transparent materials; a reaction area of each of the two-dimensional fluidized beds is filled with a light guide part, and a light source is arranged between the adjacent two two-dimensional fluidized beds. The two-dimensional photo-catalytic fluidized bed device provided by the invention has the beneficial effects that by the utilization of the advantage of a thin wall of each of the two-dimensional fluidized beds,the intake of light is facilitated, so that the loss of the light is reduced; as the reaction area of each of the two-dimensional fluidized beds is filled with the light guide part, the light guidingproperty can be greatly enhanced. The two-dimensional photo-catalytic fluidized bed device provided by the invention is simple and reasonable in structure, and solves the problems of low light utilization rate and low catalytic efficiency of a traditional fluidized bed.

A front light module is installed in front of a panel, and the front light module includes a light source, a light guide plate and an intermediate layer disposed on an external side of the panel, and the light guide plate is provided for receiving a light emitted from the light source and reflecting and refracting the light onto the panel, and the light guide plate has a plurality of microstructures disposed on at least one side parallel to the panel, and the intermediate layer is filled and distributed in the microstructures, so as to avoid glare and enhance the brightness and uniformity of the panel.

The invention discloses a backlight mold set, which comprises a light-guide plate and a light source. The light-guide plate comprises an incidence surface opposite to light source, a floor and a reflection surface. Set multiple micro-grids divided evenly underside of light-guide plate, and set grid dots in some micro-grids.

The invention relates to the technical field of backlight, in particular to a light guide plate, a backlight source module and a display device which are used for solving the problem of non-uniform light rays emitted by the conventional light guide plate due to the distribution design of a light emitting strip in the prior art. The light guide plate in the embodiment of the invention comprises a light guide main body part and a light emitting part positioned on one surface of the light guide main body part, wherein the light emitting part comprises a plurality of optical units arranged in the light guide direction; the lengths of the optical units in the light emitting part in the light guiding direction are unequal; each optical unit corresponding to a position where the light emitting strip is designed is shorter than an optical unit corresponding to a position where the light emitting strip is not designed, and one end surfaces, away from the light incident side of the light guide plate, of the optical units are flush with one another. Therefore, the light guide performances of the optical units at the light incident side of the light guide plate are ensured to be nearly consistent, the uniformity of scattering and reflection is improved, the light guide performances are improved, the light emitting uniformity of the light guide plate is ensured, and the quality of the light guide plate is improved.

The invention relates to a device for manufacturing optical films. The device comprises a material feeding part, a first wheel, a second wheel, and at least one UV light source. The material feeding part is provided with a material discharge pipe extending along a predetermined direction. The central axis of the first wheel and the central axis of the second wheel are in the same horizontal surface and are both perpendicular to the predetermined direction. The first wheel and the second wheel are both under the material discharge pipe, and each wheel comprises a gear-type body and a mold insert surrounding the outer side of the gear-type body. The second wheel is arranged at a predetermined distance away from the first wheel to form a molding channel. Together the first wheel and the second wheel are used to press UV curable resin which flows into the molding channel. The at least one ultraviolet light source is placed inside the gear-type body. The invention also relates to a method for manufacturing optical films.

The invention relates to an image reading device, in particular to a contact type image sensor in which an ultraviolet linear light source is in a light conductor type. The contact type image sensor comprises a frame, wherein a circuit board is arranged below the frame, and a photoelectric conversion chip is arranged on the circuit board; a lens is arranged above the photoelectric conversion chip, and the light source is arranged at the side face of the lens; and a glass plate is arranged above the frame. The contact type image sensor is characterized in that the linear light source consisting of an ultraviolet light-emitting diode (LED), a light conductor and an LED circuit board is arranged at the side face of the lens, and the ultraviolet LED is arranged at the end of the light conductor. The contact type image sensor provided by the invention has the advantages of low cost, low power consumption, high uniformity, high sensitivity of ultraviolet information identification and the like.

An optical film includes a first substrate and a second substrate. A plurality of first particles are doped and dispersed in the first substrate, and a plurality of second particles are doped and dispersed in the second substrate. The first substrate has a top surface and a bottom surface, wherein the top surface is a flat surface and the bottom surface is a rough surface. The second substrate is attached to the bottom surface of the first substrate and the second substrate has flat surfaces.

The invention discloses a light guide column and electronic equipment, and the light guide column comprises a light guide body, wherein the light guide body comprises a light incident surface and a light emergent surface, the light incident surface and the light emergent surface are located at the two opposite sides of the light guide body, and light is guided into the light guide body from the light incident surface and guided out from the light emergent surface; and a first light shielding body which is arranged on the first side of the light guide body, and a glue overflowing groove is defined between the first light shielding body and the light guide body in a matched mode. By arranging the first light shielding body on the light guide body, ambient light can be effectively prevented from entering the light guide column from the first side of the light guide body, and it is guaranteed that light is transmitted on the light inlet face and the light outlet face of the light guide column. Meanwhile, the glue overflowing groove is formed between the first light shielding body and the light guide body, it is guaranteed that glue overflows into the glue overflowing groove in the glue dispensing process and does not overflow into the light inlet face, the glue is prevented from shielding the light inlet face, and the light guide effect of the light guide column is improved.