The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2020
Filed:
Sep. 10, 2018
Lg Electronics Inc., Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A mobile terminal and an operation method thereof are disclosed. A mobile terminal according to an embodiment of the present disclosure may include a display; a front window disposed at a front of the mobile terminal; an inner frame formed with a hole configured to allow light to pass through from the front window; and a dust sensor comprising a light emitting portion and a light receiving portion, wherein the light emitting portion is disposed adjacent to the inner frame and configured to emit light through the hole, and wherein the light receiving portion is configured to generate a signal based on light sensed through the hole that is emitted by the light emitting portion and scattered by dust particles.