# US 10,481,710 B2 · Touch display apparatus capable of fingerprint recognition and fingerprint recognition module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,481,710 B2 - Document ID: US10481710B2 - Status: Granted - Kind: B2 - Application number: 15/227,159 - Filed: 2016-08-03 - Published: 2017-03-09 - Granted: 2019-11-19 - Earliest claimed: 2015-09-03 - Assignees: Ili Technology Corp. - Applicants: Ili Technology Corp. - Inventors: Tzu Wei Liu - Web page: https://patentgrep.com/patent/US10481710B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/044: by capacitive means - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality} - G06V 40/13: Sensors therefor - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract A touch display apparatus capable of fingerprint recognition includes a display panel, a cover plate, a touch sensing electrode set and a fingerprint recognition electrode set. The display panel includes a first surface. The cover plate covers the first surface of the display panel, and includes a second surface facing the first surface of the display panel. The touch sensing electrode set is disposed between the display panel and the cover plate. The fingerprint recognition electrode set is directly formed on the first surface of the display panel or the second surface of the cover plate. The cover plate further covers the fingerprint recognition electrode set. ## Claims ### Claim 1 A touch display apparatus capable of fingerprint recognition, comprising: a display panel, comprising a first surface; a cover plate, located above the first surface of the display panel; a touch sensing electrode set, disposed between the display panel and the cover plate; a fingerprint recognition electrode set, disposed between the display panel and the cover plate, wherein the cover plate comprises a second surface facing the first surface, and the fingerprint recognition electrode set is formed on the second surface; a chip, soldered on the second surface and electrically connected to the fingerprint recognition electrode set, wherein the chip is not electrically connected to the touch sensing electrode set, and a flexible circuit board is soldered on the second surface and electrically connected to the chip, wherein the fingerprint recognition electrode set comprises a plurality of first electrode strips, a plurality of second electrode strips and a plurality of floating electrodes electrically insulated from each other, and the first electrode strips cross the second electrode strips, wherein the plurality of floating electrodes are formed by same conductive pattern layer as the plurality of first electrode strips or the plurality of second electrode strips. ### Claim 2 (depends on 1) The touch display apparatus capable of fingerprint recognition according to claim 1, further comprising at least one key formed on the second surface and electrically connected to the chip. ### Claim 3 (depends on 1) The touch display apparatus capable of fingerprint recognition according to claim 1, wherein the first electrode strips are electrically insulated from the second electrode strips, the first electrode strips are formed by a first conductive pattern layer, the second electrode strips are formed by a second conductive pattern layer, and a gap between center lines of any two adjacent first electrode strips is 40 μm to 60 μm. ### Claim 4 (depends on 1) The touch display apparatus capable of fingerprint recognition according to claim 1, wherein the cover plate comprises a second surface facing the first surface, the touch display apparatus further comprises a first decoration layer formed on the second surface and a second decoration layer disposed between the cover plate and the fingerprint recognition electrode set, wherein the first decoration layer and the second decoration layer have different appearances. ### Claim 5 (depends on 1) The touch display apparatus capable of fingerprint recognition according to claim 1, wherein the plurality of first electrode strips cross the plurality of second electrode strips to form a plurality of regions, and each of the plurality of regions comprises at least one floating electrode. ### Claim 6 (depends on 5) The touch display apparatus capable of fingerprint recognition according to claim 5, wherein each of the plurality of regions comprises four floating electrodes. ### Claim 7 A touch display apparatus capable of fingerprint recognition, comprising: a display panel, comprising a first surface; a cover plate, located above the first surface of the display panel, comprising a second surface facing the first surface; a touch sensing electrode set, disposed between the display panel and the cover plate; a substrate, comprising a third surface facing the second surface; a fingerprint recognition electrode set, formed on the third surface, wherein the cover plate covers the fingerprint recognition electrode set; and a chip soldered on the third surface and electrically connected to the fingerprint recognition electrode set, wherein the chip is not electrically connected to the touch sensing electrode set, and a flexible circuit board is soldered on the substrate and electrically connected to the chip, wherein the fingerprint recognition electrode set comprises a plurality of first electrode strips, a plurality of second electrode strips and a plurality of floating electrodes electrically insulated from each other, and the first electrode strips cross the second electrode strips, wherein the plurality of floating electrodes are formed by same conductive pattern layer as the plurality of first electrode strips or the plurality of second electrode strips. ### Claim 8 (depends on 7) The touch display apparatus capable of fingerprint recognition according to claim 7, further comprising a key formed on the substrate; wherein the key is electrically connected to the chip and triggers an operation instruction through the chip, and the operation instruction is irrelevant to fingerprint recognition. ### Claim 9 (depends on 7) The touch display apparatus capable of fingerprint recognition according to claim 7, comprising a key formed on the substrate, the key being electrically connected to the chip and triggering fingerprint recognition. ### Claim 10 (depends on 7) The touch display apparatus capable of fingerprint recognition according to claim 7, further comprising a first decoration layer formed on the second surface and a second decoration layer disposed between the cover plate and the fingerprint recognition electrode set, the first decoration layer and the second decoration layer having different appearances.