Display device

Patent metadata

Field	Value
Publication number	US-12547213-B2
Application number	US-202318523397-A
Country	US
Kind code	B2
Filing date	Nov 29, 2023
Priority date	Sep 8, 2020
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A display device can include a display panel, a roller which guides sliding of the display panel, a plurality of flexible films connected to one end of the display panel, and a mandrel which supports the display panel and the plurality of flexible films. Also, the display device further includes a printed circuit board connected to the plurality of flexible films, in which the printed circuit board is fixed to the mandrel by a fastening unit.

First claim

What is claimed is:

1 . A display device, comprising:
a display unit including a display panel; a roller which guides sliding of the display panel; a plurality of flexible films which is connected to one end of the display panel; a mandrel which supports the display panel and the plurality of flexible films; a printed circuit board connected to the plurality of flexible films; and a mid frame which is disposed on a rear surface of the display panel and supports the display panel, the plurality of flexible films and the printed circuit board, wherein the printed circuit board is fixed to the mandrel by a fastening unit, wherein the plurality of flexible films and a part of the mid frame are disposed to enclose the mandrel by extending to one surface of the mandrel, a side surface of the mandrel, and an opposite surface of the one surface of the mandrel, and the printed circuit board is disposed on the opposite surface of the one surface of the mandrel, and wherein the mid frame is in contact with the one surface of the mandrel, the side surface of the mandrel, and the opposite surface of the one surface of the mandrel.

2 . The display device according to claim 1 , wherein the mid frame is in contact with the one surface of the mandrel, the side surface of the mandrel, and the opposite surface of the one surface of the mandrel.

3 . The display device according to claim 2 , wherein the mandrel overlaps a part of the mid frame, the plurality of flexible films, and the printed circuit board.

4 . The display device according to claim 1 , further comprising:
a cover window which covers the entire display panel and a part of the plurality of flexible films; and a cover unit which is fastened with the mandrel with the cover window therebetween, wherein one end of the cover window protrudes outwardly from the display panel to be disposed in the cover unit.

5 . The display device according to claim 4 , further comprising:
a light shielding member disposed to be filled between the cover unit and the mandrel.

6 . The display device according to claim 1 , further comprising: a chain which is disposed on sides of the display unit or on a rear surface of the display unit; and a head bar which is fastened with an edge of the display unit and an end of the chain.

7 . The display device according to claim 6 , further comprising:
a rotary shaft which passes through two ends of the roller; and a sprocket fixed to the rotary shaft protruding from the ends of the roller, wherein the display unit is wound around the roller and the chain is wound around the sprocket.

Assignees

• Lg Display Co Ltd

Inventors

• Lee Seunghee
• Han Mijin
• Lee Hanul
• Lee Hyosung

Classifications

• H10K59/871

  Self-supporting sealing arrangements · CPC title

• H10K50/841

  Self-supporting sealing arrangements · CPC title

• H05K5/03

  Covers · CPC title

• H05K1/147

  at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit (H05K1/148 takes precedence) · CPC title

• H05K2201/10128

  Display · CPC title