TWM401789U - Optical touch device and light guide plate thereof - Google Patents

Optical touch device and light guide plate thereof

Info

Publication number
TWM401789U
TWM401789U TW099208798U TW99208798U TWM401789U TW M401789 U TWM401789 U TW M401789U TW 099208798 U TW099208798 U TW 099208798U TW 99208798 U TW99208798 U TW 99208798U TW M401789 U TWM401789 U TW M401789U
Authority
TW
Taiwan
Prior art keywords
light guide
guide plate
touch device
optical touch
optical
Prior art date
Application number
TW099208798U
Other languages
Chinese (zh)
Inventor
Guu-Huann Liu
Yao-Wei Hunng
Chih-Wei Ni
Original Assignee
Epoch Chemtronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Epoch Chemtronics Corp filed Critical Epoch Chemtronics Corp
Priority to TW099208798U priority Critical patent/TWM401789U/en
Publication of TWM401789U publication Critical patent/TWM401789U/en

Links

TW099208798U 2010-05-12 2010-05-12 Optical touch device and light guide plate thereof TWM401789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW099208798U TWM401789U (en) 2010-05-12 2010-05-12 Optical touch device and light guide plate thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW099208798U TWM401789U (en) 2010-05-12 2010-05-12 Optical touch device and light guide plate thereof

Publications (1)

Publication Number Publication Date
TWM401789U true TWM401789U (en) 2011-04-11

Family

ID=60592730

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099208798U TWM401789U (en) 2010-05-12 2010-05-12 Optical touch device and light guide plate thereof

Country Status (1)

Country Link
TW (1) TWM401789U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8878124B2 (en) 2011-06-15 2014-11-04 Pixart Imaging Inc. Optical touch device having an auxiliary light guide component disposed between the two neighboring ends of first and second light guide components
TWI467442B (en) * 2011-12-20 2015-01-01 Touch module
TWI547847B (en) * 2014-07-24 2016-09-01 緯創資通股份有限公司 Method for determining a touch object is touched on a touch operating area and optical touch system thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8878124B2 (en) 2011-06-15 2014-11-04 Pixart Imaging Inc. Optical touch device having an auxiliary light guide component disposed between the two neighboring ends of first and second light guide components
TWI461988B (en) * 2011-06-15 2014-11-21 Pixart Imaging Inc Optical touch device
US9383253B2 (en) 2011-06-15 2016-07-05 Pixart Imaging Inc. Optical touch device having a plurality of light guide components each with an acute angle between light emitting surfaces
TWI467442B (en) * 2011-12-20 2015-01-01 Touch module
TWI547847B (en) * 2014-07-24 2016-09-01 緯創資通股份有限公司 Method for determining a touch object is touched on a touch operating area and optical touch system thereof

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