CN209979939U - 一种基于全反射的紧凑型大视场角近眼显示装置 - Google Patents
一种基于全反射的紧凑型大视场角近眼显示装置 Download PDFInfo
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CN110045503A (zh) * | 2019-03-29 | 2019-07-23 | 北京蚁视科技有限公司 | 一种基于全反射的紧凑型大视场角近眼显示装置 |
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GR01 | Patent grant | ||
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Yishi Hongchao Technology Co.,Ltd. Assignor: BEIJING ANTVR TECHNOLOGY Co.,Ltd. Contract record no.: X2020980004766 Denomination of utility model: A compact near eye display device with large field angle based on total reflection Granted publication date: 20200121 License type: Common License Record date: 20200806 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Google Inc. Assignor: BEIJING ANTVR TECHNOLOGY Co.,Ltd. Contract record no.: X2024990000126 Denomination of utility model: A Compact Large Field Angle Near Eye Display Device Based on Total Reflection Granted publication date: 20200121 License type: Common License Record date: 20240411 |
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EE01 | Entry into force of recordation of patent licensing contract |