Abstract: An electronic circuit for operating with a display panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a first circuit, a second circuit, a third circuit, a first switch circuit and a control circuit. The first circuit generates display driving signals for driving the display panel. The second circuit receives fingerprint sensing signals from the fingerprint sensors. The third circuit determines a touch information according to touch sensing signals from the touch sensors. The first switch circuit includes a plurality of first switch units, each of the first switch units includes a first switch element and a second switch element. The control circuit controls the first switch circuit to transmit the display driving signals in a first time interval, controls the first switch circuit to transmit the fingerprint sensing signals in a second time interval, and controls the third circuit to receive the fingerprint sensing signals in a third time interval.

Abstract: A dehumidification device of a package thermal-shrinking oven includes at least one thermal-shrinking oven body for being combined with a packaging and conveying strip for conveying an object-to-be-packaged and having a lower portion that is provided with at least one pair of connecting portions, at least one steam conduit having a lower end connected with at least one steam device, at least one thermal isolation board mounted to an upper portion of interior of the steam conduit and enclosing two sides of the packaging and conveying strip, at least one pair of first heaters respectively mounted to two sides of exterior of the steam conduit, at least one second heater mounted to a bottom of interior of the steam conduit, and at least one pair of third heaters respectively mounted to two sides of exterior of the thermal-shrinking oven body.

Abstract: A device and method for blowing and stretching a plastic film are provided. A first blow-expanding mechanism subjects a primitive plastic film made of PVC, PLA, or PET to extrusion at a temperature of 140° C.-180° C. and primary blow-expansion to form a volume in which the primitive plastic film has a lateral opening ratio of 1:1. Front-stage press rollers and middle-stage press rollers then subject the primitive plastic film to primary longitudinal press-flattening and pull-stretching, followed by heating and blow-expanding by the second blow-expansion mechanism at a temperature of 160° C.-220° C. and a pressure of 1.1-1.6 atm to achieve a volume in which the primitive plastic film has lateral opening ratio of at least 2:1, further followed by reduction of temperature to a temperature of 10° C.-20° C. for shape fixing to form a shaped plastic film. Finally, rear-stage press rollers subject the shaped plastic film to secondary longitudinal press-flattening and pull-stretching.

Abstract: Disclosed are a label film including a hidden pattern that is displayable through scraping a surface thereof and a manufacturing method thereof.

Abstract: A plastic film sealing and packaging device includes a chassis, a conveyance device for conveying articles-to-be-packaged, at least one pair of plastic film conveyance trays, at least one plastic film sealing mechanism and at least one heat-shrinking device. The conveyance device extends through front and rear ends of the chassis. The plastic film conveyance trays are set at two sides of the chassis to supply strap-like packaging plastic films. The plastic film sealing mechanism is arranged behind the plastic film conveyance trays to have packaging plastic films supplied from the plastic film conveyance trays sealed and combined as a combined film that is set horizontally set so that the articles-to-be-packaged conveyed by the conveyance device are allowed to contact the packaging plastic film to have the packaging plastic film wrapping around a closure site of the article-to-be-packaged. The package plastic film is then sealed by the plastic film sealing mechanism.

Abstract: A device and method for blowing and stretching a plastic film are provided. A first blow-expanding mechanism subjects a primitive plastic film made of PVC, PLA, or PET to extrusion at a temperature of 140° C.-180° C. and primary blow-expansion to form a volume in which the primitive plastic film has a lateral opening ratio of 1:1. Front-stage press rollers and middle-stage press rollers then subject the primitive plastic film to primary longitudinal press-flattening and pull-stretching, followed by heating and blow-expanding by the second blow-expansion mechanism at a temperature of 160° C.-220° C. and a pressure of 1.1-1.6 atm to achieve a volume in which the primitive plastic film has lateral opening ratio of at least 2:1, further followed by reduction of temperature to a temperature of 10° C.-20° C. for shape fixing to form a shaped plastic film. Finally, rear-stage press rollers subject the shaped plastic film to secondary longitudinal press-flattening and pull-stretching.

Abstract: Disclosed are a label film including a hidden pattern that is displayable through scraping a surface thereof and a manufacturing method thereof.

Abstract: Disclosed are a three-dimensional frosting touch pattern label film and a manufacturing method thereof, in which a printing ink including a composition including acrylic resin of a volume ratio of 20-30%, a particle-hand-feeling additive of a volume ratio of 10-20%, toluene of a volume ratio of 30-40%, isopropyl alcohol of a volume ratio of 15-25%, ethyl acetate of a volume ratio of 15-25%, and butanone of a volume ratio of 1-10% mixed together and containing a plurality of particles is used in gravure printing to print and combine a display pattern including at least one of a pattern, a character, and a mark on a surface of a single-layered label film substrate to form at least one three-dimensional pattern layer having a height of 0.05-0.1 mm, followed by slitting, adhering, and cutting and trimming to form a label film showing three-dimensional particle, frosting visual perception, and sanding touch.

Abstract: A plastic film sealing and packaging device includes a chassis, a conveyance device for conveying articles-to-be-packaged, at least one pair of plastic film conveyance trays, at least one plastic film sealing mechanism and at least one heat-shrinking device. The conveyance device extends through front and rear ends of the chassis. The plastic film conveyance trays are set at two sides of the chassis to supply strap-like packaging plastic films. The plastic film sealing mechanism is arranged behind the plastic film conveyance trays to have packaging plastic films supplied from the plastic film conveyance trays sealed and combined as a combined film that is set horizontally set so that the articles-to-be-packaged conveyed by the conveyance device are allowed to contact the packaging plastic film to have the packaging plastic film wrapping around a closure site of the article-to-be-packaged. The package plastic film is then sealed by the plastic film sealing mechanism.

Abstract: Disclosed are a three-dimensional pattern label film and a manufacturing method thereof, in which a printing ink is formed of a mixture of resin having a volume ratio of 25-35%, foaming powder having a volume ratio of 30-40% and a particle size of 10-20 micrometers, and a mixing solvent having a volume ratio of 25-35% and is subjected to a process of gravure printing to have at least one display pattern of one of a figure, a text, and a symbol printed and thus attached to a surface of a single-layered label film base to allow the display pattern to foam on the surface of the single-layered label film base to form at least one three-dimensional patter layer having a height of 0.5 to 2 millimeter, which is then subjected to slitting, adhering, and cutting to form a label film having a three-dimensional pattern.

Abstract: A plastic film wrapping device has a chassis, at least one conveyer device, pair of feeders, and enclosing device. The feeders supply plastic film from the two sides of the chassis. An enclosing device straddles between two sides of the conveyer device and has at least one pair of sealing blades that are reciprocally movable in a horizontal direction which forms a film sealing opening, whereby the inward movement of the two sealing blades into the film sealing opening combine with each other to fuse and on together ends of the plastic films. A leading edge of the article contacts and pulls forward the joined plastic films to have the plastic films wrapped around an outer circumference of the article and then the rear ends of the plastic films are fused to seal the article.

Abstract: A plastic film tear line forming device includes a chassis, at least one vertical driver, a first cutter, and a second cutter. The chassis forms at least one opening adapted to receive a plastic film to feed therethrough. The vertical driver is mounted to the chassis. The first cutter is arranged above the opening of the chassis and is driven by the vertical driver to do a vertical movement. The first cutter has a lower end forming a plurality of first teeth, which defines therebetween first gaps. The second cutter is mounted to the chassis to be located below the opening and has an end forming a plurality of second teeth, which defines therebetween second gaps. When a plastic film is fed into the chassis through the opening, the vertical driver drives the first cutter vertically downward to penetrate through the plastic film.

Abstract: A tangential airstream heat shrinking device of plastic film has a chassis, a heating chamber, air blowers, and high-temperature airstream ejectors. The heating chamber is mounted on the chassis and the heating channel is under the heating chamber. The air blowers are mounted to a bottom of the chassis. The high-temperature airstream ejectors are respectively fit into the mounting holes of the heating chamber. Heated air is discharged through a high-temperature airstream discharging opening of the air blade section under a respective high-temperature airstream ejector. A high-temperature airstream discharging opening is located inside the heating channel of the heating chamber. Each high-temperature airstream ejector can be rotationally adjusted so that the high-temperature airstreams are supplied along routes defined by different tangents at different angles along the circumference of a film-packaged article.

Abstract: Disclosed is a plastic film with concealed tearable strip, which includes a film body; at least one first tearable strip having two sides respectively forming first and second joint sections; and at least one second tearable strip having two sides respectively forming a third joint section and an internal tear line. The first and second tearable strips each have one side connected to the film body. The first joint section has two sides each forming a tear line. The third joint section has one side forming at least one tear line. The third joint section and the internal tear line have inside faces respectively coupled to the first and second joint sections, whereby the first and second tearable strips are respectively located at outside and inside of the film body and the second tearable strip is concealed at the inside of the film body.

Abstract: Disclosed is a plastic film with concealed tearable strip, which includes a film body; at least one first tearable strip having two sides respectively forming first and second joint sections; and at least one second tearable strip having two sides respectively forming a third joint section and an internal tear line. The first and second tearable strips each have one side connected to the film body. The first joint section has two sides each forming a tear line. The third joint section has one side forming at least one tear line. The third joint section and the internal tear line have inside faces respectively coupled to the first and second joint sections, whereby the first and second tearable strips are respectively located at outside and inside of the film body and the second tearable strip is concealed at the inside of the film body.

Abstract: A tangential airstream heat shrinking device of plastic film has a chassis, a heating chamber, air blowers, and high-temperature airstream ejectors. The heating chamber is mounted on the chassis and the heating channel is under the heating chamber. The air blowers are mounted to a bottom of the chassis. The high-temperature airstream ejectors are respectively fit into the mounting holes of the heating chamber. Heated air is discharged through a high-temperature airstream discharging opening of the air blade section under a respective high-temperature airstream ejector. A high-temperature airstream discharging opening is located inside the heating channel of the heating chamber. Each high-temperature airstream ejector can be rotationally adjusted so that the high-temperature airstreams are supplied along routes defined by different tangents at different angles along the circumference of a film-packaged article.

Abstract: A plastic film wrapping device has a chassis, at least one conveyer device, pair of feeders, and enclosing device. The feeders supply plastic film from the two sides of the chassis. An enclosing device straddles between two sides of the conveyer device and has at least one pair of sealing blades that are reciprocally movable in a horizontal direction which forms a film sealing opening, whereby the inward movement of the two sealing blades into the film sealing opening combine with each other to fuse and on together ends of the plastic films. A leading edge of the article contacts and pulls forward the joined plastic films to have the plastic films wrapped around an outer circumference of the article and then the rear ends of the plastic films are fused to seal the article.

Abstract: A plastic film tear line forming device includes a chassis, at least one vertical driver, a first cutter, and a second cutter. The chassis forms at least one opening adapted to receive a plastic film to feed therethrough. The vertical driver is mounted to the chassis. The first cutter is arranged above the opening of the chassis and is driven by the vertical driver to do a vertical movement. The first cutter has a lower end forming a plurality of first teeth, which defines therebetween first gaps. The second cutter is mounted to the chassis to be located below the opening and has an end forming a plurality of second teeth, which defines therebetween second gaps. When a plastic film is fed into the chassis through the opening, the vertical driver drives the first cutter vertically downward to penetrate through the plastic film.