Laser irradiation system and laser irradiation method

A laser irradiation and laser technology, which is applied in the laser irradiation system and the field of laser irradiation, can solve the problems of loss and damage to the laser beam irradiator, and achieve the effect of preventing damage

Active Publication Date: 2011-04-27
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, the laser beam reflected by the laser mask may damage the laser beam irradiator, resulting in huge losses

Method used

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  • Laser irradiation system and laser irradiation method
  • Laser irradiation system and laser irradiation method
  • Laser irradiation system and laser irradiation method

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Embodiment Construction

[0032] Hereinafter, exemplary embodiments of the present teaching will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present teaching. As those skilled in the art would realize, the described exemplary embodiments may be modified in various ways, all without departing from the spirit or scope of the present invention. In order to clearly describe the exemplary embodiments, the contents irrelevant to the present description are omitted, and the same reference numerals denote the same constituent elements throughout.

[0033] In the drawings, the size and thickness of components are shown for convenience of explanation only, and thus the present invention is not necessarily limited to the illustrations described and shown herein. In the drawings, thicknesses are exaggerated to clearly show layers and regions. In the drawings, the thicknesses of some layers and regions are exaggerated for convenience ...

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Abstract

A laser irradiation system includes a laser beam generator to generate laser beams, a laser beam irradiator to radiate the laser beams onto a target, a laser beam guide to detect whether one of the laser beams is reflected back toward the laser beam irradiator, a detector to convert the reflected laser beam into electrical signal data, and a controller to control the output of the laser beam generator, based on the signal data.

Description

technical field [0001] The described techniques generally relate to laser irradiation systems and laser irradiation methods. Background technique [0002] Laser irradiation systems can be used for various purposes in the manufacture of display panels. In general, a display panel includes a pair of substrates bonded and sealed together using a sealant. The laser irradiation system is also used in the process of hardening the sealant to bond and seal together a pair of substrates constituting the display panel. That is, the laser irradiation system hardens the sealant by emitting light onto the sealant interposed between the substrates. However, there is a problem in that the laser beam is emitted not only to the sealant but also to other areas of the display panel, thereby damaging the display panel. To this end, a laser mask is arranged on the display panel so that the laser beam is emitted only on the sealant, thereby preventing damage to the display panel. [0003] How...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L21/00B23K26/00B23K26/064B23K26/066H01S5/042
CPCB23K26/0661B23K26/04H05B33/04H10K71/00
Inventor 李垧泽申铉喆郑元雄
Owner SAMSUNG DISPLAY CO LTD
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