Lamp Unit and Vehicle Door Equipped with Lamp Unit

Patent metadata

Field	Value
Publication number	US-2023167967-A1
Application number	US-202318103575-A
Country	US
Kind code	A1
Filing date	Jan 31, 2023
Priority date	Dec 26, 2017
Publication date	Jun 1, 2023
Grant date	—

Abstract

To provide a lamp unit in which rattling of a light-emitting element is prevented, a lamp unit includes: a holder member attached to an attachment object, a base board provided with a light-emitting element coupled on a main surface thereof; a retaining member that engages the holder member to sandwich the base board between the retaining member and the holder member such that the base board is retained at a prescribed position on the holder member; and a cover member that is at least partially light-transmissive and is attached to the holder member such that the cover member cooperates with the holder member to define a housing chamber for housing the base board and the retaining member.

First claim

1 - 17 . (canceled)

18 . A lamp unit, comprising:
a holder member configured to be attached to an attachment object; a base board provided with a light-emitting element on a main surface thereof; a retaining member that engages the holder member to sandwich the base board between the retaining member and the holder member such that the base board is retained at a prescribed position on the holder member; and a cover member that is at least partially light-transmissive and is attached to the holder member such that the cover member cooperates with the holder member to define a housing chamber for housing the base board and the retaining member, wherein the holder member has a housing recess for housing the base board and the retaining member, the holder member is provided with a connector insertion hole for a connector to be electrically connected to the base board, the connector insertion hole is open on an outer surface of the holder member in a direction parallel to the main surface of the base board, the base board has a rectangular shape, the retaining member is provided with an outer frame which has a rectangular shape and is formed along an edge portion of the base board, the base board is sandwiched by the outer frame of the retaining member and a bottom wall of the housing recess, and a gap is formed between the retaining member and the cover member.

19 . The lamp unit according to claim 18 , wherein the holder member includes a housing part with the housing recess and a connector part protruding from an outer surface of the housing part, and
the connector insertion hole is open at the connector part.

20 . The lamp unit according to claim 19 , wherein the connector insertion hole extends in a direction parallel to the main surface of the base board.

21 . The lamp unit according to claim 19 , wherein a side surface of the connector is provided with a locking portion and
the connector part is provided with a locking hole to be engaged by the locking portion at a position close to an opening of the connector insertion hole.

22 . The lamp unit according to claim 18 , wherein the outer surface of the holder member is provided with an inclined surface at a position close to an edge of the openings of the connector insertion hole, and
the inclined surface is inclined in a direction that the inclined surface approaches an edge of the openings of the connector insertion hole along an insert direction of the connector.

23 . The lamp unit according to claim 22 , wherein the inclined surface is provided at the bottom wall of the housing recess.

24 . A vehicle door equipped with the lamp unit according to claim 18 .

25 . A vehicle with a vehicle door equipped with the lamp unit according to claim 18 .

Assignees

• Ts Tech Co Ltd

Inventors

• MIHIRA Manabu
• Nakano Yuji
• Nomura Masahiro

Classifications

• H10H20/80

  Constructional details · CPC title

• B60Q3/50

  Mounting arrangements (for compartments other than passenger or driving compartments B60Q3/30; specially adapted for specific vehicle types B60Q3/40) · CPC title

• B60Q2400/40

  Welcome lights, i.e. specific or existing exterior lamps to assist leaving or approaching the vehicle · CPC title

• F21W2102/40

  the light being emitted to facilitate access to the vehicle · CPC title

• F21S41/19

  Attachment of light sources or lamp holders (achieving variable light distribution by movable light sources F21S41/657) · CPC title