Abstract: The present invention relates to a fluorine-based polymer coating film, an optical substrate comprising same, and a method for manufacturing the optical substrate, and provides a fluorine-based polymer coating film which is formed from fluorine-based polymer nanoparticles coming in contact and being bound to each other, and which is coated on a substrate to improve infrared transmittance. The fluorine-based polymer coating film according to the present invention has improved infrared transmittance, and since the size of the fluorine-based polymer nanoparticles is controlled to control the ultraviolet-infrared transmittance, transmission wavelength selectivity can be improved.

Abstract: A gate driver according to an embodiment and a display device including the same are disclosed. The gate driver according to the embodiment includes an output clock line through which an output clock signal is applied, a dummy clock line disposed side by side with the output clock line and through which a dummy clock signal is applied, a pull-up transistor including a first electrode connected to the output clock line, a gate electrode connected to a first control node, and a second electrode connected to an output node from which a gate signal is output, and a pull-down transistor including a first electrode connected to the output node, a gate electrode connected to a second control node, and a second electrode connected to a power line through which a low-potential power voltage is applied.

Abstract: A pixel circuit of a display apparatus includes a driving transistor including a gate electrode coupled with a gate node, a drain electrode coupled with a high level pixel power source, and a source electrode coupled with a source node; a light emitting device coupled with the source node and coupled with a low level pixel power source; a first transistor turned on based on a first scan signal; a second transistor turned on based on a second scan signal; a first capacitor coupled between the gate node and the source node; a second capacitor coupled with the source node at one electrode thereof; a third transistor turned on based on a third scan signal to couple the gate node with the other electrode of the second capacitor; and a fourth transistor turned on based on a fourth scan signal to apply a data voltage to the gate node.

Abstract: According to an embodiment, disclosed is a DC-DC converter in a solar-linked system, the DC-DC converter including: an initial charging circuit which connects an inverter with a first node and is used for charging an inverter-side capacitor; an intermediate capacitor; and a switching circuit connected in parallel to the intermediate capacitor and composed of a first switch and a second switch that are connected in series, wherein the initial charging circuit applies a voltage to a first node according to a received control signal, and performs charging of a battery.

Abstract: The present invention provides a glass wool cutting device. The device includes a cutting section housing that has a cutting section chamber, a feed port that is connected to the cutting section chamber, and a discharge port that is connected to the cutting section chamber. A stationary knife is disposed on the cutting section housing to protrude into the cutting section chamber and a movable cutter that has a rotary support body is disposed in the cutting section chamber and a movable knife is supported on the rotary support body to apply a shearing force to the glass wool together with the stationary knife. Additionally, a cutter actuator provides a driving force to the rotary support body.

Abstract: The present invention provides a glass wool cutting device. The device includes a cutting section housing that has a cutting section chamber, a feed port that is connected to the cutting section chamber, and a discharge port that is connected to the cutting section chamber. A stationary knife is disposed on the cutting section housing to protrude into the cutting section chamber and a movable cutter that has a rotary support body is disposed in the cutting section chamber and a movable knife is supported on the rotary support body to apply a shearing force to the glass wool together with the stationary knife. Additionally, a cutter actuator provides a driving force to the rotary support body.

Abstract: Provided is a bushing for manufacturing a three-dimensional composite preform using a tow made of a fiber reinforced polymer. The bushing includes a base plate in which one or more through-holes are formed, and a plurality of spools spaced apart from each other on the base plate. A flat top is formed at an end portion of the spools, and grooves are formed on outer surfaces of the plurality of spools in a circumferential direction thereof.

Abstract: Provided is a bushing for manufacturing a three-dimensional composite preform using a tow made of a fiber reinforced polymer. The bushing includes a base plate in which one or more through-holes are formed, and a plurality of spools spaced apart from each other on the base plate. A flat top is formed at an end portion of the spools, and grooves are formed on outer surfaces of the plurality of spools in a circumferential direction thereof.

Abstract: Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for producing the article, and method for producing the article. The long-fiber reinforced polyolefin composition comprises long-fiber reinforced polyolefin pellets including 35 to 90 weight % of a long-fiber reinforcing agent and 5 to 60 weight % of polyolefin wherein the impregnation degree of the long-fiber reinforced polyolefin pellet is preferably more than 80%; and colored polyolefin pellets having the length of 5 to 500 mm, and including 0.01 to 15 weight % of a coloring agent for the total amount of the coloring agent and polyolefin, wherein the amount of the colored polyolefin pellets is 5 to 80 weight % for the total amount of the colored polyolefin pellets and the long-fiber reinforced polyolefin pellets.

Abstract: Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for producing the article, and method for producing the article. The long-fiber reinforced polyolefin composition comprises long-fiber reinforced polyolefin pellets including 35 to 90 weight % of a long-fiber reinforcing agent and 5 to 60 weight % of polyolefin wherein the impregnation degree of the long-fiber reinforced polyolefin pellet is preferably more than 80%; and colored polyolefin pellets having the length of 5 to 500 mm, and including 0.01 to 15 weight % of a coloring agent for the total amount of the coloring agent and polyolefin, wherein the amount of the colored polyolefin pellets is 5 to 80 weight % for the total amount of the colored polyolefin pellets and the long-fiber reinforced polyolefin pellets.

Abstract: Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for producing the article, and method for producing the article. The long-fiber reinforced polyolefin composition comprises long-fiber reinforced polyolefin pellets including 35 to 90 weight % of a long-fiber reinforcing agent and 5 to 60 weight % of polyolefin wherein the impregnation degree of the long-fiber reinforced polyolefin pellet is preferably more than 80%; and colored polyolefin pellets having the length of 5 to 500 mm, and including 0.01 to 15 weight % of a coloring agent for the total amount of the coloring agent and polyolefin, wherein the amount of the colored polyolefin pellets is 5 to 80 weight % for the total amount of the colored polyolefin pellets and the long-fiber reinforced polyolefin pellets.

Abstract: Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for producing the article, and method for producing the article. The long-fiber reinforced polyolefin composition comprises long-fiber reinforced polyolefin pellets including 35 to 90 weight % of a long-fiber reinforcing agent and 5 to 60 weight % of polyolefin wherein the impregnation degree of the long-fiber reinforced polyolefin pellet is preferably more than 80%; and colored polyolefin pellets having the length of 5 to 500 mm, and including 0.01 to 15 weight % of a coloring agent for the total amount of the coloring agent and polyolefin, wherein the amount of the colored polyolefin pellets is 5 to 80 weight % for the total amount of the colored polyolefin pellets and the long-fiber reinforced polyolefin pellets.