# US 11,115,514 B2 · Mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,115,514 B2 - Document ID: US11115514B2 - Status: Granted - Kind: B2 - Application number: 16/860,460 - Filed: 2020-04-28 - Published: 2020-08-27 - Granted: 2021-09-07 - Earliest claimed: 2018-01-03 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Kiyong Lee; Cheongsun Yun; Jongwook Mun - Web page: https://patentgrep.com/patent/US11115514B2 ## CPC - G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing} - G06F 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675} - H04M 1/0266: {for a display module assembly} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/50: OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements - H10K 59/60: OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes - H10K 59/8791: {Arrangements for improving contrast, e.g. preventing reflection of ambient light} - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/1201: {Manufacture or treatment} - H10K 59/873: {Encapsulations} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A mobile terminal includes a housing having a front side, a rear side and lateral sides; a cover window disposed on the front side of the housing and comprising a display area and a bezel area. Further, the bezel area includes printed color under an edge of the cover window; an OLED display unit disposed between the cover window and the front side of the housing; and a sensing unit disposed under the OLED display unit. In addition, the OLED display unit includes a substrate having a hole below the display area of the cover window; a transistor layer including thin film transistors and being disposed on the substrate and having a hole corresponding to the hole of the substrate; an organic light emitting layer disposed on the transistor layer and having a hole corresponding to the hole of the transistor layer; and an encapsulation layer disposed on the organic light emitting layer and having a hole corresponding to the hole of the organic light emitting layer. Further, the sensing unit senses a light transmitted through the holes. ## Claims ### Claim 1 A mobile terminal comprising: a housing having a front side, a rear side and lateral sides; a cover window disposed on the front side of the housing and comprising a display area and a bezel area, wherein the bezel area includes printed color under an edge of the cover window; an OLED display unit disposed between the cover window and the front side of the housing; and a sensing unit disposed under the OLED display unit, wherein the OLED display unit comprises: a substrate having a hole below the display area of the cover window; a transistor layer including thin film transistors and being disposed on the substrate and having a hole corresponding to the hole of the substrate; an organic light emitting layer disposed on the transistor layer and having a hole corresponding to the hole of the transistor layer; and an encapsulation layer disposed on the organic light emitting layer and having a hole corresponding to the hole of the organic light emitting layer, and wherein the sensing unit senses a light transmitted through the holes. ### Claim 2 (depends on 1) The mobile terminal of claim 1, wherein the OLED display unit further comprises: a polarizing plate disposed on the encapsulation layer and having a hole corresponding to the hole of the encapsulation layer. ### Claim 3 (depends on 1) The mobile terminal of claim 1, wherein the organic light emitting layer includes a plurality of spontaneous light emitting elements disposed below the display area to respectively emit preset colors. ### Claim 4 (depends on 3) The mobile terminal of claim 3, wherein the OLED display unit comprises: a polarizing plate disposed on the encapsulation layer and having a hole corresponding to the hole of the encapsulation layer; a light adhesive film adhering the polarizing plate to the cover window and having a hole corresponding to the hole of the polarizing plate; and a protection film supporting the substrate, wherein the encapsulation layer is provided between the polarizing plate and the organic light emitting layer, and wherein the transistor layer controls currents flowing to the spontaneous light emitting elements. ### Claim 5 (depends on 3) The mobile terminal of claim 3, wherein the spontaneous light emitting elements are provided in the organic light emitting layer, encircle a margin area surrounding the hole of the organic light emitting layer, and wherein the margin area is located between the hole of the organic light emitting layer and the spontaneous light emitting elements. ### Claim 6 (depends on 5) The mobile terminal of claim 5, wherein the spontaneous light emitting elements comprise: a plurality of first elements have a first size; and a plurality of second elements have a second size different from the first size, and wherein some of the first elements and some of the second elements are disposed outside the margin area along a shape of the hole. ### Claim 7 (depends on 5) The mobile terminal of claim 5, wherein a width of the margin area is substantially the same in all directions. ### Claim 8 (depends on 5) The mobile terminal of claim 5, wherein the encapsulation layer is provided in the margin area and seals off the spontaneous light emitting elements from moisture or oxygen inside the holes. ### Claim 9 (depends on 5) The mobile terminal of claim 5, wherein the organic light emitting layer comprises a bank provided between the spontaneous light emitting elements and forming a non-light-emitting area, and wherein the bank is spaced a preset distance apart from the hole of the organic light emitting layer by the margin area. ### Claim 10 (depends on 5) The mobile terminal of claim 5, wherein the encapsulation layer is provided in the margin area. ### Claim 11 (depends on 1) The mobile terminal of claim 1, wherein the transistor layer comprises a corresponding current wire providing a first signal for driving a corresponding thin film transistor, and wherein the current wire is provided in a first direction and includes a curve detouring around the hole of the transistor layer. ### Claim 12 (depends on 11) The mobile terminal of claim 11, wherein the transistor layer comprises a corresponding data wire providing a second signal for realizing a picture or an image via the cover window by a flow of currents to the spontaneous light emitting elements connected to a corresponding thin film transistor when the corresponding thin film transistor is driven, and wherein the data wire is provided in a second direction including a curve detouring around the hole of the transistor layer. ### Claim 13 (depends on 4) The mobile terminal of claim 4, wherein the bezel area is printed along an edge area of the light adhesive film. ### Claim 14 (depends on 1) The mobile terminal of claim 1, further comprising: an electrochromic element provided under the cover window. ### Claim 15 (depends on 1) The mobile terminal of claim 1, further comprising: a polymer dispersed liquid crystal provided in the cover window. ### Claim 16 (depends on 1) The mobile terminal of claim 1, further comprising: a piezoelectric film provided under the sensing unit and configured to flow currents therethrough when a preset pressure is applied to the sensing unit via the cover window. ### Claim 17 (depends on 1) The mobile terminal of claim 1, wherein the encapsulation layer includes a tapered edge part on an edge area of the substrate, and wherein the tapered edge part has an inclined surface that is lowered toward an outermost edge of the substrate. ### Claim 18 (depends on 1) The mobile terminal of claim 1, wherein the sensing unit includes a camera. ### Claim 19 A mobile terminal comprising: a housing having a front side, a rear side and lateral sides; a cover window disposed on the front side of the housing and comprising a display area and a bezel area, wherein the bezel area includes printed color under an edge of the cover window; an OLED display unit disposed between the cover window and the front side of the housing; and a sensing unit disposed under the OLED display unit, wherein an organic light emitting layer of the OLED display unit comprises: a first hole disposed below the display area of the cover window; at least one of first spontaneous light emitting elements disposed below the display area of the cover window and having a first size; and at least one of second spontaneous light emitting elements disposed below the display area of the cover window and having a second size different from the first size, and wherein the sensing unit senses a light transmitted through the first hole. ### Claim 20 (depends on 19) The mobile terminal of claim 19, wherein the OLED display unit further comprises: a substrate having a second hole corresponding to the first hole; a transistor layer including thin film transistors and being disposed on the substrate and having a third hole corresponding to the second hole; and an encapsulation layer disposed on the organic light emitting layer and having a fourth hole corresponding to the first hole, and wherein the organic light emitting layer is disposed on the transistor layer. ### Claim 21 (depends on 20) The mobile terminal of claim 20, wherein the OLED display unit further comprises: a polarizing plate disposed on the encapsulation layer and having a fifth hole corresponding to the fourth hole. ### Claim 22 (depends on 21) The mobile terminal of claim 21, wherein the OLED display unit further comprises: a light adhesive film adhering the polarizing plate to the cover window and having a sixth hole corresponding to the fifth hole of the polarizing plate; and a protection film supporting the substrate. ### Claim 23 (depends on 19) The mobile terminal of claim 19, wherein the first and second spontaneous light emitting elements encircle a margin area surrounding the first hole, wherein the margin area is located between the first and second spontaneous light emitting elements, and the first hole, and wherein some of the first spontaneous light emitting elements and some of the second spontaneous light emitting elements are disposed outside the margin area along a shape of the first hole. ### Claim 24 (depends on 23) The mobile terminal of claim 23, wherein the organic light emitting layer comprises a bank provided between the spontaneous light emitting elements, and wherein the bank is spaced a preset distance apart from the first hole by the margin area. ### Claim 25 (depends on 20) The mobile terminal of claim 20, wherein the transistor layer comprises a corresponding current wire providing a first signal for driving a corresponding thin film transistor, and wherein the current wire is provided in a first direction and includes a curve detouring around the third hole of the transistor layer. ### Claim 26 (depends on 25) The mobile terminal of claim 25, wherein the transistor layer comprises a corresponding data wire providing a second signal for realizing a picture or an image via the cover window by a flow of currents to the first and second spontaneous light emitting elements connected to a corresponding thin film transistor when the corresponding thin film transistor is driven, and wherein the data wire is provided in a second direction including a curve detouring around the third hole of the transistor layer. ### Claim 27 (depends on 20) The mobile terminal of claim 20, wherein the encapsulation layer includes a tapered part on an edge area of the substrate, and wherein the tapered edge part has an inclined surface that is lowered toward an outermost edge of the substrate. ### Claim 28 (depends on 19) The mobile terminal of claim 19, wherein the sensing unit includes a camera.