Rotatable display device using semiconductor light-emitting diodes

Patent metadata

Field	Value
Publication number	US-12073744-B2
Application number	US-201917763873-A
Country	US
Kind code	B2
Filing date	Oct 1, 2019
Priority date	Sep 26, 2019
Publication date	Aug 27, 2024
Grant date	Aug 27, 2024

Abstract

The present disclosure can be applied to display device-related technical fields and relates to a rotatable display device using, for example, light-emitting diodes (LEDs), which are semiconductor light-emitting diodes. According to the present disclosure, the rotatable display device using light-emitting diodes may comprise: a fixing unit comprising a motor; a rotation unit which is provided on the fixing unit and has a first side coupled to the motor and a second side rotatably coupled to a rotation coupling part, and rotates, the second side being a side opposite to the first side; and a light source module provided in the rotation unit and comprising at least one panel provided along a virtual cylindrical outer circumferential surface thereof and a light-emitting diode array in which individual pixels are provided on each panel in the longitudinal direction.

First claim

What is claimed is:

1. A rotatable display device comprising:
a fixed portion comprising a motor;
a rotary portion located on the fixed portion and comprising a first side coupled to the motor and a second side rotatably coupled to a rotation coupling portion, the second side being opposite the first side, wherein the rotation coupling portion comprises a rotary shaft inserted into the second side of the rotary portion which comprises a shaft-coupling portion into which the rotary shaft is inserted; and
a light source module mounted to the rotary portion and comprising:
one or more panels disposed at respective positions on a rotational circumference of the rotary portion; and
light-emitting element arrays comprising individual pixels disposed along a longitudinal length of the one or more panels.

2. The rotatable display device of claim 1 , further comprising a casing which encases the fixed portion, the rotary portion, and the light source module.

3. The rotatable display device of claim 2 , wherein the rotation coupling portion is connected to the casing.

4. The rotatable display device of claim 2 , wherein the casing comprises:
an opaque portion positioned to correspond to the fixed portion;
a transparent portion positioned to correspond to the light source module; and
a cover portion located above the transparent portion.

5. The rotatable display device of claim 4 , wherein the rotation coupling portion is positioned to correspond to a center of the cover portion.

6. The rotatable display device of claim 4 , further comprising a shaft support portion located between the rotary shaft and the shaft-coupling portion so as to facilitate coupling and rotation between the rotary shaft and the shaft-coupling portion.

7. The rotatable display device of claim 1 , wherein the longitudinal length of the one or more panels of the light source module extend between the first side and the second side of the rotary portion.

8. The rotatable display device of claim 1 , wherein the rotation coupling portion is connected to the fixed portion.

9. The rotatable display device of claim 8 , wherein the rotation coupling portion is coupled to a vertical frame connected to the fixed portion.

10. The rotatable display device of claim 9 , wherein the fixed portion comprises a frame structure, and the vertical frame is coupled to the frame structure.

Assignees

• Lg Electronics Inc

Inventors

• Woo Kisuk
• Lee Sungwhan
• Park Kwanwoo

Classifications

• G09F9/33 Primary

  being semiconductor devices, e.g. diodes · CPC title

• G09F2013/222

  with LEDs · CPC title

• G09F13/30

  with moving light sources, e.g. rotating luminous tubes · CPC title

• G09F13/0445

  Frames · CPC title

• G09F13/0413

  Frames or casing structures therefor · CPC title