38results about How to "Meet optical requirements" patented technology

The invention provides a method for debugging the driving waveform of a three-color electronic paper module, and the method herein has the characteristics of excellent universality, and excellent comparison and display effects. The method is characterized in that the method includes the following steps: 1. determining master driving frames: driving the three-color electronic paper module by usingblack/white/red picture standard test waveforms, and separately reading the black, white and red optical values of a test picture under three kinds of standard test waveforms by using an optical tester, separately comparing the black, white and red optical values with a standard black L*value, a standard white L* value, and a standard red L* value and a* value, obtaining a standard test waveform that meets optical requirements and obtaining a black/white/red master driving frame of the three-color electronic paper module; 2. determining DC balance frames: separately based on the black master driving frame, the white master driving frame and the red master driving frame, determining the DC balance frames corresponding to the black master driving frame, the white master driving frame and thered master driving frame; and 3. determining driving waveforms which include the DC balance frames that perform first driving and the black master driving frame, the white master driving frame and the red master driving frame that perform follow-up driving.

The invention discloses a fixing device of an array laser device. The fixing device of the array laser device disclosed by the invention comprises a laser device bottom plate, a laser device pressing plate, a plurality of mirror holders, a plurality of elastic gaskets and mirror holder pressing plates. With the adoption of the fixing device of the array laser device disclosed by the invention, optical requirements of the array laser device can be met and the requirements on the machining precision can be lowered at the same time.

The invention relates to an electric contact and connection type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and two single-core wires. Fastening grooves are arranged on the inner wall of a through hole of the electrical interface support, each fastening groove is formed by connection of an insertion opening with a sliding groove, fasteners corresponding to the fastening grooves are arranged at the outer edge of a small mouth of the reflection cup, a slot for insertion of a conducting strip is arranged on each of two side faces of the electrical interface support, and a telescopic conducting column is arranged in an accommodating cavity connected with the inner end of each slot. When the electric contact and connection type COB-LED light source module is assembled, the inner end of each conducting strip is connectedly sleeved on the corresponding conducting column, the exposed outer end of each conducting strip is mutually inserted with an insertion connector of the corresponding single-core wire, the bottom end of each conducting column penetrates through the electrical interface support to be pressed on a corresponding electric contact on a PCB (printed circuit board). Therefore, the electric contact and connection type COB-LED light source module has the advantages of compact structure, space saving and good radiating effect.

The invention relates to a welded type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and a welding core wire. When the welded type COB-LED light source module is assembled, ends of two single-core wires of the welding core wire are correspondingly welded on corresponding welding points on a PCB (printed circuit board), the PCB in the COB-LED light source component is mounted in a mounting groove on the bottom surface of the electrical interface support, an LED chip in the COB-LED light source component exposes outside through a through hole in the middle of the electrical interface support, the two single-core wires welded on the PCB are led out through corresponding lead grooves respectively, and a plurality of screws penetrate through corresponding mounting holes to enable the electrical interface support and the COB-LED light source component to be in threaded connection on corresponding threaded holes of the radiator. By the structure, the welded type COB-LED light source module is compact in structure, convenient to assemble and disassemble, space-saving and good in radiating effect.

The invention embodiment discloses a design method of an aspherical lens, which comprises: the surface with the semidiameter of R1 is taken as the spherical surface part of the aspherical lens; the surface with the approximate curvature radius of R2 is used as the aspherical surface part of the aspherical lens; the approximate curvature radius is the curvature radius value of the aspherical surface obtained by the spherical surface, and the absolute value of R2 is more than or equal to the double absolute value of R1. The invention embodiment also discloses an aspherical lens, and R2 is controlled to ensure that the absolute value of R2 is more than or equal to the double absolute value of R1. Therefore, the aspherical surface part of a correction system chromatic aberration is smoother than the spherical surface part, and the designed aspherical surface part lens can meet the optical requirement in using and is easy for processing and testing.

The invention discloses UV (ultraviolet) optical adhesive, made from, by weight, 30-60 parts of an acrylate oligomer, 30-50 parts of an acrylate monomer, 1-4 parts of a photopolymerization initiator,and 3-5 parts of an adhesion promotion aid. The UV optical adhesive has the advantages that the finished adhesive has reliable indexes, the yield is increased, fewer defects are shown to customers, mobility and curing speed of the adhesive are increased, and coating speed is increased so that production efficiency is improved.

This invention provides a contact image scanner with multi focus and resolution, which comprises: a circuit board, at least two set of photosensitive element arrays composed of first and second set photosensitive element arrays arranged on circuit board of single row, at least one set of cylinder lens of first and second lens opposite separately to the said photosensitive element arrays and upper suspended, and a first glass suspended upper the cylinder lens. The combination of circuit board, photosensitive element arrays and cylinder lens matches with the position regulation, variety, thickness, and vertical distance, to form more than two focus and resolution for scanning to image with different focus.

The invention relates to a plug-in type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and a double-core wire. When the plug-in type COB-LED light source module is assembled, one end of the double-core wire is plugged on a double-core socket, a PCB (printed circuit board) in the COB-LED light source component is mounted in a mounting groove at the bottom of the electrical interface support, an LED chip in the COB-LED light source component exposes outside through a through hole in the middle of the electrical interface support, and the double-core wire of the double-core socket plugged on the PCB is led out by the aid of the mounting groove; a plurality of screws penetrate through corresponding mounting holes to enable the electrical interface support and the COB-LED light source component to be in threaded connection on corresponding threaded holes of the radiator. By the structure, the plug-in type COB-LED light source module is compact in structure, convenient to assemble and disassemble, space-saving and good in radiating effect.

An optical design method enabling a half-intensity angle to be located on a 8-degree round spot comprises the steps that (1) a reflection cup and a light guiding pillar are designed, wherein the light guiding pillar is arranged at the center of the reflection cup, the reflection surface of the reflection cup is a second free-form surface, one end of the light guiding pillar is a plane and serves as an incident plane, the other end of the light guiding pillar is concave and serves as an exit surface which is a first free-form surface, and the side face of the light guiding pillar is a reflection surface; (2) light enters through the incident plane of the light guiding pillar and is refracted to the reflection surface on the side face of the light guiding pillar, reflected to the first free-form surface of the light guiding pillar, refracted to the second free-form surface of the reflection cup, and finally emitted in the direction parallel to the optical axis; (3) the relationship between the energy obtained after light passes through the light guiding pillar and the reflection cup and the energy irradiated on a light distribution screen is established according to the energy conservation law, the second free-form surface of the reflection cup and the first free-form surface of the light guiding pillar are adjusted, and the half-intensity angle is obtained on the 8-degree round spot of the light distribution screen.

The invention relates to a light-emitting module considering both heat dissipation and light distribution requirements and an LED table lamp. The light-emitting module comprises an LED lamp panel assembly, a light condenser and a heat dissipation light reflector, wherein the heat dissipation light reflector comprises a light-reflecting part and a fixing part which are integrally formed, the fixingpart is positioned at one end of the heat dissipation light reflector, inclines and overturns inwards, the LED lamp panel assembly is arranged on the inner surface of the fixing part, light rays emitted by an LED lamp on the LED lamp panel assembly are slantwise upward, the light condenser is positioned in front of the LED lamp panel and is used for collecting the light rays emitted by the LED lamp to the light-reflecting face of the heat dissipation light reflector, and the light-reflecting face reflects the light rays for illumination use. The functions of the heat dissipator and the lightreflector are integrated, the device is manufactured in an integral forming manner, and the light-reflecting face can play the role of secondary light distribution and also has the heat dissipation effect, so that the requirements of heat dissipation and light distribution are considered; and the number of the parts is very small, so that the assembly is very easy, meanwhile, the space inside thetable lamp is saved, and finally, the cost of the whole lamp is reduced.

The invention discloses a structure combining a PCBA with two-side LEDs with a reflection bowl to achieve a steering function of a tail light and a function of a brake light. According to the structure, a shell body is taken as a main assembly body, one PCB is fixedly located in the middle of the shell body through a clamping groove to form one sub assembly body, the shell body is partitioned intoupper and lower light chambers through a chrome plated strip, LED light sources of the upper and lower sides of the PCBA respectively and vertically give out light up and down, and after reflection of the reflection bowl, the functions of a steering light and the brake light are separately achieved. The structure not only can generate a uniform lighting effect on the premise of meeting the statutory optical requirements, but also can meet the functions in the narrower and narrower space according to the shape trend, the PCBA with the two-side LEDs is used for installment of the PCB in the smallest space, the one PCBA can achieve two optical functions, and through the design, not only is the shell body space saved to meet the requirement for a thin and long shape, but also the reflection mode of the reflection bowl is utilized for making the whole illuminating effect more uniform.

The invention provides an LED (light-emitting diode) high pole street lamp, comprising a housing, LED light-emitting modules, secondary optical lens modules, a hinge mounting head, a connecting rod, a fastening hinge and a lithium battery, wherein the housing is a straightly grooved aluminum alloy housing, and each LED light-emitting module comprises an LED light source assembly; the straight groove face of the housing is a light-emitting face, and the LED light source assemblies are fixedly arranged on the light-emitting face in an array; the secondary optical lens modules are arranged on the peripheries of the LED light source assemblies, and the hinge mounting head is fixedly arranged at one end of the housing and is connected with the fastening hinge through the connecting rod; the lithium battery is connected with the LED light-emitting module. According to the LED high pole street lamp provided by the invention, the conversion efficiency and utilization ratio of a light source are fully improved, so that the power consumption of the product is lower than that of similar products; the characteristics of good heat dissipation, low wind resistance, strong wind resistance, light weight and the like are structurally achieved, and the street lamp can be combined and used more flexibly and reliably.

The biological microscope with an aspheric lens objective which belongs to the technical field of biological microscopes comprises a base, a bent wall, a coarse hand wheel, a fine hand wheel, a lifting cylinder, an ocular lens, an ocular lens barrel, a converter, an objective lens group, an objective table and a movable light source. The objective lens group comprises an objective lens A with an aspheric lens, an objective lens A for short, an objective lens B with an aspheric lens, an objective lens B for short, an objective lens C with an aspheric lens and an objective lens C for short; andthe objective lens A is a 4X objective lens, namely a quadruple objective lens, the objective lens B is a 10X objective lens, namely a ten-fold objective lens, and the objective lens C is a 40X objective lens, namely a 40-fold objective lens. The microsope has the beneficial effects that the working distance is long, and the object is convenient to observe.

The invention discloses a car lamp lens component and a car with the car lamp lens component. The car lamp lens component comprises a main lens and an auxiliary lens. The main lens is provided with a main light receiving face and a main light transmitting face which are oppositely arranged, an assembling groove which is concaved inwards is formed in one side of the auxiliary lens, an auxiliary light receiving face is arranged on the inner wall face of the assembling groove, an auxiliary light transmitting face is arranged on the other side of the auxiliary lens, the main lens is arranged in the assembling groove, and the main light transmitting face is attached to the auxiliary light receiving face. According to the car lamp lens component, the main lens and the auxiliary lens are combined, the optical requirement is met, meanwhile, various forming requirements, optical design and the light distribution process of a special-shaped lens are guaranteed, various defects of a thick-wall injection molding structure are overcome, forming is convenient, and the rate of finished products is high.

The image scanner includes following parts: at least a first circuit board and a second circuit board; at least two sets of sensitizing element array (SEA) composed of first set of SEA and second set of SEA located on the first circuit board and the second circuit board respectively; at least one set of columnar lens composed of first and second columnar lenses; first columnar lens and second columnar lens suspended on the corresponding first set of SEA and second set of SEA; a glass is suspended on the set of columnar lens; adjusting relative position between the first circuit board and the second circuit board makes the two sets of SEA and the set of columnar lens form at least two focuses and resolutions in order to scan different objects to be scanned on the glass.