Conductive Metallic and Semiconductor Ink Composition

    公开(公告)号:US20180022953A1

    公开(公告)日:2018-01-25

    申请号:US15708377

    申请日:2017-09-19

    CPC classification number: C09D11/52 H01L21/288

    Abstract: A representative printable composition comprises a liquid or gel suspension of a plurality of metallic particles; a plurality of semiconductor particles; and a first solvent. The pluralities of particles may also be comprised of an alloy of a metal and a semiconductor. The composition may further comprise a second solvent different from the first solvent. In a representative embodiment, the first solvent comprises a polyol or mixtures thereof, such as glycerin, and the second solvent comprises a carboxylic or dicarboxylic acid or mixtures thereof, such as glutaric acid. In various embodiments, the metallic particles and the semiconductor particles are nanoparticles between about 5 nm to about 1.5 microns in any dimension. A representative metallic and semiconductor particle ink can be printed and annealed to produce a conductor.

    Multi-layer conductive backplane for LED light sheet segments
    5.
    发明授权
    Multi-layer conductive backplane for LED light sheet segments 有权
    用于LED灯片段的多层导电背板

    公开(公告)号:US09508694B2

    公开(公告)日:2016-11-29

    申请号:US14559609

    申请日:2014-12-03

    Abstract: Relatively small, electrically isolated segments of LED light sheets are fabricated having an anode terminal and a cathode terminal. The segments contain microscopic printed LEDs that are connected in parallel by two conductive layers sandwiching the LEDs. The top conductive layer is transparent. Separately formed from the light sheet segments is a flexible, large area conductor backplane having a single layer or multiple layers of solid metal strips (traces). The segments are laminated over the backplane's metal pattern to supply power to the segment terminals. An adhesive layer secures the segments to the backplane. The metal pattern may connect the segments in series, or parallel, or form an addressable circuit for a display. The segments may be on a common substrate or physically separated from each other prior to the lamination.

    Abstract translation: 制造具有阳极端子和阴极端子的相对小的电隔​​离的LED光片段。 这些段包含通过夹持LED的两个导电层并联连接的微观印刷的LED。 顶层导电层是透明的。 与光片段分开形成的是具有单层或多层固体金属条(迹线)的柔性大面积导体背板。 片段层叠在背板的金属图案上以向片段端子供电。 粘合剂层将片段固定到背板。 金属图案可以将片段串联或并联连接,或形成用于显示器的可寻址电路。 片段可以在共同的衬底上,或在层压之前彼此物理分离。

    Security label using printed LEDs
    6.
    发明授权
    Security label using printed LEDs 有权
    使用打印的LED的安全标签

    公开(公告)号:US09443180B2

    公开(公告)日:2016-09-13

    申请号:US14546846

    申请日:2014-11-18

    CPC classification number: G06K19/06112 G06K7/10821 G06K19/06037 G06K19/086

    Abstract: In one embodiment, a security label comprises a random arrangement of printed LEDs. During fabrication of the label, the LEDs are energized, and the resulting dot pattern is converted into a unique digital first code and stored in a database. The label is then attached to an object to be later authenticated, or the LEDs are printed directly on the object, such as a passport, license, bank note, certificate, etc. For authenticating the object, the LEDs are energized and the dot pattern is converted into a code. The code is compared to the first code stored in the database. If there is a match, the object is authenticated. The label may also have a printed second code associated with the first code, and both codes must match codes stored in the database for authentication. The general shape of the printed pattern may convey the proper orientation of the pattern.

    Abstract translation: 在一个实施例中,安全标签包括印刷的LED的随机排列。 在制造标签期间,LED被激励,并且所得到的点图案被转换成唯一的数字第一代码并存储在数据库中。 然后将标签附着到待认证的对象上,或者将LED直接打印在对象上,例如护照,许可证,纸币,证书等。为了认证对象,LED被激活,点图案 被转换成代码。 将代码与存储在数据库中的第一个代码进行比较。 如果有匹配,则对象进行身份验证。 标签还可以具有与第一代码相关联的打印的第二代码,并且两个代码必须匹配存储在数据库中的代码以进行认证。 印刷图案的一般形状可以传达图案的正确取向。

    PRINTED LED DRIVER CIRCUIT
    7.
    发明申请
    PRINTED LED DRIVER CIRCUIT 审中-公开
    打印LED驱动电路

    公开(公告)号:US20160238201A1

    公开(公告)日:2016-08-18

    申请号:US15009727

    申请日:2016-01-28

    Abstract: On a flexible substrate is printed LEDs and a driver circuit containing transistors. The LEDs and transistors are printed microscopic devices contained in an ink. The LEDs are printed in groups and connected in parallel, and the transistors are printed in groups and connected in parallel. Other components, such as resistors and an on/off switch, are also printed to form the driver. A battery and other circuit components may also be printed on the substrate. An overlay is provided over the LEDs to create a desired light pattern. The LEDs and driver may be generic, and the overlay customizes the light pattern for a particular application. The transistors in the driver may be interconnected with a trace pattern to drive the LEDs in a customized manner, such as for an insert in a product package for marketing to a consumer.

    Abstract translation: 在柔性基板上印有LED和包含晶体管的驱动电路。 LED和晶体管是包含在墨水中的印刷的微观装置。 LED分组打印并联并且晶体管被分组打印并且并联连接。 还打印其他组件,如电阻器和开/关开关,以形成驱动器。 电池和其他电路部件也可以印刷在基板上。 在LED上提供覆盖层以产生期望的光图案。 LED和驱动器可以是通用的,并且覆盖层定制特定应用的光模式。 驱动器中的晶体管可以与跟踪模式互连以以定制的方式驱动LED,例如用于向消费者进行营销的产品包装中的插入物。

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