F21V29/90

AUTOMOBILE LAMP-SHADE HAVING ELECTRIC HEAT ELEMENT AND METHOD OF MAKING THE SAME
20210317979 · 2021-10-14 ·

A method of making an automobile lamp-shade contains steps of: A) providing a body made of a light-transmitting material; B) providing an electric heat element; and C) adhering the electric heat element on the body. The step C) includes sub-steps of: C1) providing an electric circuit, and a detachable film made of plastic material being provided; C2) forming an adhesive film, and adhesive being coated on the surface and the electric circuit so as to form the adhesive film; and C3) adhering a release film on the adhesive film. In the step C3), the adhesive film is defined between the electric circuit and the release film, and the electric circuit is defined between the detachable film and the adhesive film. In the step C), the adhesive film is adhered on the body, and the detachable film is removed after the release film is detached.

LIGHTING DEVICE HAVING AT LEAST ONE SEMICONDUCTOR LIGHT SOURCE
20210317955 · 2021-10-14 · ·

A lighting device (1000; 1; 2) having at least one semiconductor light source (1040) and at least one electrical resistance element (1020) which comprises at least one coiled filament (1021), the at least one resistance element (1020) being connected in series with the at least one semiconductor light source (1040).

Light assembly heater systems, apparatus, and methods

A heater system for an LED light assembly having a lens includes a flexible composite positioned around an outer surface of the lens. The flexible composite includes a polymer base layer, a plurality of conductive buses provided on the base layer, and a resistive layer electrically connecting the plurality of buses to form a circuit. The resistive layer includes conductor particles dispersed in a polymer matrix. The resistive layer has a crystalline first condition prior to applying electricity to one of the buses and an amorphous second condition in response to applying electricity to one of the buses.

Light assembly heater systems, apparatus, and methods

A heater system for an LED light assembly having a lens includes a flexible composite positioned around an outer surface of the lens. The flexible composite includes a polymer base layer, a plurality of conductive buses provided on the base layer, and a resistive layer electrically connecting the plurality of buses to form a circuit. The resistive layer includes conductor particles dispersed in a polymer matrix. The resistive layer has a crystalline first condition prior to applying electricity to one of the buses and an amorphous second condition in response to applying electricity to one of the buses.

LENS HEATING SYSTEMS AND METHODS FOR AN LED LIGHTING SYSTEM

Systems and methods for lighting system lens heating are described. The systems and methods include a substantially clear thermoplastic substrate; and a conductive ink or film circuit on the thermoplastic substrate.

LENS HEATING SYSTEMS AND METHODS FOR AN LED LIGHTING SYSTEM

Systems and methods for lighting system lens heating are described. The systems and methods include a substantially clear thermoplastic substrate; and a conductive ink or film circuit on the thermoplastic substrate.

MULTIPLE-LASER LIGHT SOURCE

A light source includes a plurality of laser diodes or other light emitters. Beams of light from the light emitters are steered to provide n array of parallel beams that illuminate a target area with an array of patches of light. In some embodiments the parallel beams are de-magnified to form the array of patches of light. Such a light source has application in illuminating dynamically-addressable focusing elements such as phase modulators, deformable mirrors and dynamically addressable lenses. Light projectors for a wide variety of applications may combine a light source as described herein with a dynamically-addressable focusing element to project defined patterns of light.

MULTIPLE-LASER LIGHT SOURCE

A light source includes a plurality of laser diodes or other light emitters. Beams of light from the light emitters are steered to provide n array of parallel beams that illuminate a target area with an array of patches of light. In some embodiments the parallel beams are de-magnified to form the array of patches of light. Such a light source has application in illuminating dynamically-addressable focusing elements such as phase modulators, deformable mirrors and dynamically addressable lenses. Light projectors for a wide variety of applications may combine a light source as described herein with a dynamically-addressable focusing element to project defined patterns of light.

APPARATUS FOR DETECTING ELECTROMAGNETIC TOUCH

The disclosure discloses an apparatus for detecting an electromagnetic touch. The apparatus includes: a driving subcircuit configured to control organic light-emitting diodes arranged in an array in an organic light-emitting diode display panel to be lightened row by row; a detecting subcircuit configured to obtain detection current flowing through the lightened organic light-emitting diodes in real time, where the detection current of each of the lightened organic light-emitting diodes comprises inductive current of the organic light-emitting diode, and driving current of the organic light-emitting diode being lightened, and the inductive current is current, generated by the organic light-emitting diode, related to a magnetic induction intensity of a magnetic field emitted by a magnetic field emitting apparatus only when the organic light-emitting diode senses the magnetic field; and a first processing subcircuit configured to determine a position of an electromagnetic touch according to the driving current of each of the organic light-emitting diodes, and the obtained detection current thereof.

APPARATUS FOR DETECTING ELECTROMAGNETIC TOUCH

The disclosure discloses an apparatus for detecting an electromagnetic touch. The apparatus includes: a driving subcircuit configured to control organic light-emitting diodes arranged in an array in an organic light-emitting diode display panel to be lightened row by row; a detecting subcircuit configured to obtain detection current flowing through the lightened organic light-emitting diodes in real time, where the detection current of each of the lightened organic light-emitting diodes comprises inductive current of the organic light-emitting diode, and driving current of the organic light-emitting diode being lightened, and the inductive current is current, generated by the organic light-emitting diode, related to a magnetic induction intensity of a magnetic field emitted by a magnetic field emitting apparatus only when the organic light-emitting diode senses the magnetic field; and a first processing subcircuit configured to determine a position of an electromagnetic touch according to the driving current of each of the organic light-emitting diodes, and the obtained detection current thereof.