Lighting device and flexible substrate connecting light emitting portion thereof

A lighting device comprising:

• a main body portion;
• a light emitting portion movable relative to the main body portion;
• a light emission control portion provided in the main body portion;
• and
• a flexible substrate configured to electrically connect the light emitting portion and the light emission control portion,
• wherein the flexible substrate comprises (a) a soldering portion that is soldered to the light emitting portion at one end, (b) a connection portion that is connected to the light emission control portion at another end, (c) a communication portion that connects the soldering portion and the connection portion and around which an insulating tape is wound in a short-side direction, and (d) a bending portion that bends when the light emitting portion moves relative to the main body portion,
• wherein the insulating tape comprises an extension portion that extends to the soldering portion when being wound around the communication portion,
• wherein the extension portion of the insulating tape is attached to the bending portion, and
• wherein the insulating tape further comprises another extension portion that extends to the soldering portion,
• wherein the extension portion and the another extension portion are formed in the insulating tape in independent convex shapes, and
• wherein the extension portion and the another extension portion are sequentially attached to one surface of front and back sides of the flexible substrate in the bending portion.

A flexible substrate comprising:

• a soldering portion that is soldered to a light emitting portion at one end;
• a connection portion that is connected to a light emission control portion at another end;
• a communication portion that connects the soldering portion and the connection portion;
• and
• four wires that are arranged in the communication portion in a longitudinal direction,
• wherein the four wires are electrically connected by soldering to different terminals of two xenon terminals and two light emission control terminals in the soldering portion,
• wherein, in the soldering portion, two first areas respectively soldered to the two light emission control terminals in the light emitting portion are arranged between two second areas respectively soldered to the two xenon terminals in the light emitting portion, when viewed from a short-side direction of the communication portion, and
• wherein, in the communication portion, of the four wires, two second wires respectively electrically connected to different terminals of the two xenon terminals are arranged between, of the four wires, two first wires respectively electrically connected to different terminals of the two light emission control terminals.

A flexible substrate comprising:

• a soldering portion that is soldered to a light emitting portion at one end;
• a connection portion that is connected to a light emission control portion at another end;
• a communication portion that connects the soldering portion and the connection portion and around which an insulating tape is wound in a short-side direction thereof;
• and
• a bending portion that bends when the light emitting portion moves relative to the light emission control portion,
• wherein the insulating tape comprises an extension portion that extends to the soldering portion when being wound around the communication portion,
• wherein the extension portion of the insulating tape is attached to the bending portion, and
• wherein the insulating tape further comprises another extension portion that extends to the soldering portion,
• wherein the extension portion and the another extension portion are formed in the insulating tape in independent convex shapes, and
• wherein the extension portion and the another extension portion are sequentially attached to one surface of front and back sides of the flexible substrate in the bending portion.