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52 results about "Optical packaging" patented technology

Parallel optical transceiver module used for broadband high-speed transmission

The invention relates to a parallel optical transceiver module used for broadband high-speed transmission. A signal input port of a gold-plated plugboard structure is formed at one end of a first printed circuit board, and a trans-impedance amplifier (TIA), a laser driving chip, a photoelectric detector (PD) array, a vertical cavity surface emitting laser (VCSEL) array and a spacer are arranged on the surface of a second printed circuit board. The front end of a fiber array is arranged in a fiber fixing component, and the fiber array is aligned to the PD array and the VCSEL array in a coupled mode. The fiber fixing component comprises a fiber orientation conversion piece bottom board, a covering board and fastening bolts, a V-shaped groove is carved in the surface of the fiber orientation conversion piece bottom board, bare fibers of the fiber array are placed in the V-shaped groove, the covering board covers the V-shaped groove, and holes matched with the fastening bolts are formed in the fiber orientation conversion piece bottom board, the spacer and the second printed circuit board. The parallel optical transceiver module used for broadband high-speed transmission achieves optical packaging with high coupling efficiency, and reduces stick-mounting accuracy of the photoelectric component arrays and technological difficulty of connection of the photoelectric components and the fibers.
Owner:INNOLIGHT TECH (TONGLING) LTD

Optical receiving module, packaging structure and packaging method thereof

InactiveCN107402425AReduce coupling alignment timesEase of mass productionCoupling light guidesFlexible circuitsLight beam
The invention relates to the field of optical packaging, and provides a packaging structure of an optical receiving module. The packaging structure comprises a tube shell. The tube shell comprises a flat board. One end of the flat board is vertically connected with a connecting board. The connecting board is provided with a circular adapter locating hole. One surface, which is far from the flat board, of the connecting board is provided with an annular welding boss around the adapter locating hole. The flat board is provided with an optical demultiplexing locating recessed trough, supporting bosses and a flexible circuit board locating recessed trough, wherein the optical demultiplexing locating recessed trough, the supporting bosses and the flexible circuit board locating recessed trough are successively arranged in a direction of separating from the connecting board. The sidewall of the optical demultiplexing locating recessed trough is provided with a projected alignment boss. Two supporting bosses are arranged. The packaging structure of the optical receiving module is a multi-component assembly which is machined through a precise machinery. According to the packaging structure and the packaging method, corresponding optical packaging can be finished through one-time multichannel light beam quality analysis and one-time active optical coupling alignment process, thereby greatly simplifying an optical coupling alignment process.
Owner:LINKTEL TECH CO LTD

Single light port multipath parallel light reception coupling system assembly packaging device and system thereof

InactiveCN106597614AReduce the numberStreamlining the Optical Alignment ProcessCoupling light guidesTransceiverComputer module
The invention provides a single light port multipath parallel light reception coupling system assembly packaging device. The device comprises a casing having the transmission function, an adapter assembly and a collimation lens, wherein an upper surface of the casing is provided with a first groove and a second groove, a lower surface of the casing is provided with a third groove, an end portion of the casing is provided with a through hole, the through hole is communicated with the first groove, one end of the collimation lens is connected with the adapter assembly, the other end of the collimation lens penetrates through the through hole to the first groove, side walls of the first groove and the second groove are respectively provided with a first inclined plane and a second inclined plane, the second inclined plane is provided with a reflection film, and the third groove is provided with a multi-channel lens array. The device is advantaged in that the quantity of optical elements needing precise positioning mounting on a parallel transceiver light module light path is reduced to a maximum degree through mechanical structure alignment and active coupling, optical alignment operation is greatly simplified, bath production for optical packaging of corresponding products is easier, and optical packaging cost of the corresponding products is reduced.
Owner:LINKTEL TECH CO LTD

Array element of beam splitting lens

InactiveCN104238027ARealize backlight monitoring functionSimple structureCoupling light guidesBeam splittingArray element
The invention relates to an array element of a beam splitting lens. The array element comprises a body, wherein a critical angle formed when incident light with the wavelength of 850nm enters the body to perform total reflection is smaller than 45 degrees. A first lateral surface is provided with a micro lens array A and a micro lens array C, a second lateral surface is provided with a micro lens array B, a third lateral surface is provided with two grooves recessed inwards, and the bottoms surfaces of the grooves are inclined surfaces. A first optical interface and a second optical interface are formed respectively, a 45-degree included angle is formed by the first optical interface and the first lateral surface, a 45-degree included angle is formed by the second optical interface and the first lateral surface, and the first optical interface is perpendicular to the second optical interface. After light penetrating through the micro lens array A is totally reflected by the first optical interface, one part of light enters the micro lens array C after being totally reflected by the second optical interface, the other part of light directly enters the micro lens array B, and the light entering the micro lens array C is used for monitoring backlight. A backlight monitoring function of QSFP and optical packaging can be achieved by means of the array element of the beam splitting lens. The array element of the beam splitting lens is simple in structure and low in cost.
Owner:WUHAN TELECOMM DEVICES

Quantum dot liquid crystal display device and manufacturing method thereof

The invention discloses a quantum dot liquid crystal display device. The quantum dot liquid crystal display device comprises a light guide plate, a packaging layer and a liquid crystal panel which are overlapped in turn from bottom to top, wherein the packaging layer comprises optical packaging glue and a dotted material; the optical packaging glue is glued between the light guide plate and the liquid crystal panel; the dotted material is scattered in the optical packaging glue; the dotted material is composed of a green light quantum dot and a fluoride down-conversion photoluminescence material. The invention also discloses a manufacturing method of the quantum dot liquid crystal display device. According to the invention, the green light quantum dot is packaged between the light guide plate and the liquid crystal panel; the low water-permeable oxygen-permeable characteristics of a glass substrate and the light guide plate are utilized, so that the display device has relatively high reliability; the dotted material which is composed of a green light quantum dot and a fluoride down-conversion photoluminescence material is packaged in the optical packaging glue in low refractive index, so that the farther spreading of the blue light in the light guide plate is benefited, meanwhile the color gamut of the liquid crystal display is greatly increased and the purpose of ultrathin liquid crystal display can be achieved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

High-refractive-index transparent silica gel as well as preparation method and application thereof

The invention provides high-refractive-index transparent silica gel. The high-refractive-index transparent silica gel comprises a component A and a component B in a mass ratio of (0.8-1.2): 1, whereinthe component A comprises the following components in parts by weight: 1-100 parts of phenyl vinyl-terminated silicone oil; 1-100 parts by weight of phenyl terminal side chain vinyl silicone oil; and0.01 to 0.3 part by weight of a platinum catalyst; the component B comprises the following components in parts by weight: 1-100 parts of phenyl vinyl-terminated silicone oil; 1-100 parts by weight ofphenyl terminal side chain vinyl silicone oil; 1-60 parts by weight of a biphenyl hydrogen-containing chain extender; 0-5 parts by weight of a phenyl hydrogen-containing cross-linking agent; 0.2-10 parts by weight of a phenyl tackifier; 0-0.4 part by weight of an inhibitor; the phenyl vinyl-terminated silicone oil has a general formula as shown in formula (I), and the phenyl terminal side chain vinyl silicone oil has a general formula shown in formula (II). The high-refractive-index transparent silica gel provided by the invention adopts specific content components to realize better interaction, so that the product refractive index is high, and meanwhile, high refractive index and high temperature stability are achieved, good adhesion performance on various base materials is achieved, andthe high-refractive-index transparent silica gel is suitable for optical packaging and potting in various occasions.
Owner:HANGZHOU ZHIJIANG NEW MATERIAL CO LTD +1

Crosslinkable durable scratch-resistant organic silicon master batch and preparation method thereof

The invention discloses a crosslinkable durable scratch-resistant organic silicon master batch and a preparation method thereof. The crosslinkable durable scratch-resistant organic silicon master batch is prepared from the following components: 20 to 77.5 percent of a low-melting-point polyolefin resin, 20 to 77.5 percent of vinyl polysiloxane, 2 to 8 percent of an initiator and 0.1 to 2 percent of a stabilizer. The preparation method comprises the following steps: banburying the raw materials at 60-120 DEG C, and then extruding and granulating by utilizing a double-screw extruder to obtain the durable scratch-resistant organic silicon master batch. The master batch prepared by the invention contains linear vinyl polysiloxane with high molecular weight and a peroxide initiator. In the useprocess, the peroxide initiator is decomposed to generate free radicals, and the polysiloxane with the linear structure is converted into polysiloxane with a cross-linked network structure, so that the polysiloxane is stably anchored in the composite material, and the composite material is endowed with durable and stable scratch resistance. The organic silicon master batch prepared by the method is stable in property, and is particularly suitable for the application fields with high requirements on the surface quality of materials, such as optics, packaging, automotive trim and architectural decoration.
Owner:CHENGDU GUIBAO SCI & TECH
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