9results about How to "Avoid light" patented technology

The invention discloses a portable planting machine for corn cultivation, and relates to the technical field of corn planting.The portable planting machine comprises a main body, sliding grooves are symmetrically formed in the upper portion of the main body, the sliding grooves are slidably connected with a supporting plate, and the upper portion of the supporting plate is fixedly connected with a stirring box used for stirring corn seeds and chemical fertilizer; an oscillating mechanism is arranged on the lower portion of the supporting plate and used for preventing materials in the stirring box from being blocked, a flow guide box is fixedly connected to the lower portion of the stirring box, an intermittent discharging mechanism is arranged on the lower portion of the flow guide box and used for intermittently falling corn seeds, and a planting mechanism is arranged on the lower portion of the main body. The sowing spacing of the seeds can be accurately controlled through the intermittent discharging mechanism, and the situation that the seeds compete for nutrients, moisture and illumination due to the fact that the distance between the seeds is too short is avoided, so that it is guaranteed that each corn seedling can obtain sufficient growth resources.

The utility model discloses a fire-fighting emergency lighting lamp which comprises a lamp shell and a rear cover matched with the lamp shell, a rotating cavity is formed in the front end of the lamp shell, a fixed rotating seat is arranged at the lower end of the rotating cavity, a light-emitting cover is rotationally arranged on the fixed rotating seat, and the light-emitting cover is arranged in the rotating cavity. The light-emitting cover comprises a rotating bottom cover, a light-transmitting cover arranged on the rotating bottom cover, a light source plate arranged between the rotating bottom cover and the light-transmitting cover and a first sealing ring arranged at the matching position of the rotating bottom cover and the light-transmitting cover. The illumination angle of lamplight can be adjusted by rotating the light-emitting cover, and the problem that part of areas cannot be illuminated due to limitation of the installation environment is solved. According to the explosion-proof emergency lighting lamp, the explosion-proof emergency lighting lamp is designed by adopting a full die-casting aluminum structure, the explosion-proof emergency lighting lamp can be used in gas and dust explosive environments, the lamp shell, the rear cover, the second sealing ring and the power supply sealing mechanism jointly form an independent and sealed explosion-proof cavity, and the waterproof effect and the protection grade of the whole machine are improved.

Disclosed are a display substrate and a packaging method of the display substrate. The display substrate comprises a substrate, a plurality of light emitting devices, a light absorbing layer, a light transmitting layer, and a transparent protective layer. The plurality of light emitting devices are arranged on the substrate with a spacing region between adjacent light emitting devices; the light absorbing layer is located at least in the spacing region; the light transmitting layer is continuously arranged on the side of the light absorbing layer away from the substrate and the side of the light emitting device away from the substrate; the transparent protective layer is arranged on the side of the light transmitting layer away from the light absorbing layer; wherein the plurality of light emitting devices comprise a first light emitting device, a second light emitting device, and a third light emitting device, the spacing between the first light emitting device and the second light emitting device is smaller than the spacing between the second light emitting device and the third light emitting device, and the difference between the minimum thickness of the light absorbing layer in the spacing region between the first light emitting device and the second light emitting device and the minimum thickness of the light absorbing layer in the spacing region between the second light emitting device and the third light emitting device is less than or equal to 2.0 μm.

This invention provides an image forming apparatus in which, compared to illuminating a light-emitting portion of a discharge end located in a position difficult for surrounding users to visually perceive, residual recording medium on the discharge end can be easily detected by nearby users. The image forming apparatus includes: a first discharge end for discharging recording medium; a second discharge end located in a position even more difficult for surrounding users to visually perceive than the first discharge end; a memory; and a processor, which controls the illumination of a first light-emitting portion located in a position wider than the second discharge end, where residual recording medium is found on the second discharge end.

The utility model discloses a storage device for degumming agent production, which comprises a heat preservation outer box and a glue storage inner box, the glue storage inner box is movably arranged in the heat preservation outer box, a first heat preservation plate for front side heat preservation is arranged on the front side wall in the heat preservation outer box, and a second heat preservation plate for rear side heat preservation is arranged on the rear side wall in the heat preservation outer box. A third heat preservation plate for left heat preservation is arranged on the left side wall in the heat preservation outer box, and a fourth heat preservation plate for right heat preservation is arranged on the right side wall in the heat preservation outer box; the top end of the glue storage inner box is connected with a sealing frame, a drying cavity of a hollow structure is formed in the sealing frame, and at least one ventilation net is embedded in the drying cavity. The degumming agent storage box is of a double-layer box body structure, the box body on the outer layer can isolate the influence of the external environment, the box body on the inner layer can directly store the degumming agent, and gap sealing and ventilation can be achieved, so that the degumming agent storage box has multiple long-term degumming agent storage functions such as heat preservation, dehumidification and illumination avoidance.

The present invention proposes a new procedure about a photolithographic method for forming a black pattern such as a black matrix. The present invention relates to a black resist composition suitable for this new process and excellent in light-blocking effect. The present invention relates to a black resist composition including a near-infrared-permeable black pigment (A), a sensitizing dye (B) having absorption in a near-infrared region, a radical polymerization initiator or acid generator (C), and a binder resin (D) as essential components. The black pigment (A) here used is preferably a lactam-based pigment, a perylene-based pigment, and / or an azomethine-based pigment, and a cyanine dye, a squarylium dye, and / or a phthalocyanine dye are / is contained as suitable sensitizing dye(s), together with the black pigment. The present invention relates to a novel photolithographic process of a black pattern with application of near-infrared light.

This utility model discloses a light strip fixing tape with alignment function, belonging to the field of lighting equipment technology, used for fixing light strips. It includes a base film, a high-temperature resistant tape, several black and white adhesive strips, and a positioning film. The base film is a strip-shaped release film; the high-temperature resistant tape is a strip-shaped single-sided adhesive strip; the adhesive surface of the high-temperature resistant tape is attached to the base film; the black and white adhesive strips are block-shaped double-sided adhesive strips; one adhesive surface of the black and white adhesive strips is attached to the non-adhesive surface of the high-temperature resistant tape; several black and white adhesive strips are arranged in a row, corresponding one-to-one with the positions of the light strip's LED beads; the positioning film is a strip-shaped release film; the positioning film is attached to the other adhesive surface of the black adhesive strip; the side of the positioning film has positioning protrusions, which correspond to the LED bead gaps or LED bead positions in the light strip, i.e., the positioning protrusions are aligned or staggered with the black and white adhesive strips. This utility model can achieve precise alignment between the LED bead gaps and the black and white adhesive strips, avoiding the problem of overlap between the black and white adhesive strips and the LED bead areas.

The present application provides an OLED display panel and an OLED display device; the OLED display panel includes a drainage line, the drainage line is arranged in the area between adjacent light-emitting units, the drainage line is arranged on the side of the hole layer away from the light-emitting layer, and the drainage line is connected to the hole layer. The present application arranges the drainage line, the drainage line is arranged in the area between adjacent light-emitting units, so that the drainage line leads the leakage current between adjacent light-emitting units through the hole layer and the drainage line, thereby preventing the closed light-emitting unit from being lit, and the drainage line is arranged on the side of the hole layer away from the light-emitting layer, thereby preventing the drainage line from contacting the electron layer and affecting the display.

The flip COB packaging structure comprises a substrate, a copper circuit is arranged on the substrate, and the copper circuit comprises a plurality of chip bonding pads and wires electrically connected with the adjacent chip bonding pads; each chip bonding pad is welded with a flip LED chip electrically connected with the chip bonding pad through a die bonding solder; the outer contour size of the chip bonding pad is larger than the outer contour size of the flip LED chip corresponding to the chip bonding pad and the outer contour size of the solid crystal welding flux, so that the outer edge of the chip bonding pad protrudes out of the outer edge of the flip LED chip and the outer edge of the solid crystal welding flux. High-reflection white glue is filled between the adjacent chip bonding pads, the top of the high-reflection white glue protrudes upwards, and the highest point of the high-reflection white glue is higher than the top surfaces of the chip bonding pads; the substrate is further provided with fluorescent powder glue used for sealing the copper circuit, the flip LED chip and the high-reflection white glue. The invention has the advantage of improving the lighting effect and reliability of the light source.