# US 11,910,143 B2 · Display panel and display apparatus including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,143 B2 - Document ID: US11910143B2 - Status: Granted - Kind: B2 - Application number: 18/105,198 - Filed: 2023-02-02 - Published: 2023-06-22 - Granted: 2024-02-20 - Earliest claimed: 2019-03-29 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: YongGyoon Jang; Yong-Su Ham; YongWoo Lee; Kyungyeol Ryu - Web page: https://patentgrep.com/patent/US11910143B2 ## CPC - H04R 1/028: {associated with devices performing functions other than acoustics, e.g. electric candles} - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G08B 6/00: Tactile signalling systems, e.g. tactile personal calling systems - H04R 7/10: comprising superposed layers in contact - H04R 17/005: {using a piezoelectric polymer} - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10N 30/20: with electrical input and mechanical output, e.g. functioning as actuators or vibrators - H10N 30/704: {based on piezoelectric or electrostrictive films or coatings} - H10W 90/00: Package configurations - H04R 2400/03: Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones - H04R 2499/15: Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops - H10K 59/82: Interconnections, e.g. terminals (H10K59/131, H10K59/179 take precedence) - H10K 59/871: {Self-supporting sealing arrangements} - H10N 30/852: {Composite materials, e.g. having 1-3 or 2-2 type connectivity} - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member. ## Claims ### Claim 1 An organic light emitting display apparatus, comprising: a first substrate; a second substrate attached to the first substrate by an adhesive member; a light emitting device disposed on the first substrate and including an anode electrode, a light emitting layer provided on the anode electrode, and a cathode electrode; and a vibration generating device disposed inside the adhesive member and including at least one inorganic material layer, wherein the light emitting layer is implemented to emit light of the same color for each pixel or to emit lights of different colors for different color pixels. ### Claim 2 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising an encapsulation layer between the light emitting device and the second substrate, wherein the encapsulation layer includes at least one inorganic material layer and at least one organic material layer. ### Claim 3 (depends on 2) The organic light emitting display apparatus of claim 2, wherein the adhesive member is disposed between the second substrate and the encapsulation layer. ### Claim 4 (depends on 2) The organic light emitting display apparatus of claim 2, wherein the encapsulation layer has a multi-layer structure where the at least one organic material layer and the at least one inorganic material layer are alternately stacked. ### Claim 5 (depends on 4) The organic light emitting display apparatus of claim 4, wherein the at least one organic material layer has a greater thickness than the at least one inorganic material layer. ### Claim 6 (depends on 4) The organic light emitting display apparatus of claim 4, wherein the at least one inorganic material layer includes at least one of silicon nitride (SiNx), silicon oxide (SiOx), silicon oxynitride (SiON), and aluminum oxide (AlxOy). ### Claim 7 (depends on 4) The organic light emitting display apparatus of claim 4, wherein the at least one organic material layer includes at least one of acryl resin, epoxy resin, phenolic resin, polyamide resin, polyimide resin, benzocyclobutene resin, and fluoride resin. ### Claim 8 (depends on 4) The organic light emitting display apparatus of claim 4, wherein the encapsulation layer includes a first inorganic material layer surrounding the light emitting device. ### Claim 9 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising a sealing member disposed between the first substrate and the second substrate, wherein the sealing member supports at least one of the first substrate and the second substrate. ### Claim 10 (depends on 9) The organic light emitting display apparatus of claim 9, wherein the adhesive member contacts at least one side surface of the sealing member. ### Claim 11 (depends on 9) The organic light emitting display apparatus of claim 9, wherein the sealing member includes a high-viscosity resin cured by light and an epoxy material including a getter material capable of adsorbing water or oxygen. ### Claim 12 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising a functional film disposed on either one of the first substrate and the second substrate. ### Claim 13 (depends on 12) The organic light emitting display apparatus of claim 12, wherein the functional film is disposed in a direction in which light is emitted. ### Claim 14 (depends on 1) The vibration apparatus of claim 1, wherein the light emitting layer is an organic light emitting layer. ### Claim 15 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the light emitting layer has a stacked structure of an organic light emitting layer. ### Claim 16 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the first substrate includes a glass material. ### Claim 17 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the second substrate includes a metal. ### Claim 18 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising a filler disposed between the first substrate and the second substrate, wherein the filler includes a transparent epoxy material which transmits light. ### Claim 19 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising a pixel circuit layer disposed on the first substrate, wherein the pixel circuit layer includes: a plurality of signal lines disposed on the first substrate; and a pixel circuit disposed in each of a plurality of pixel areas defined by the signal lines, wherein the signal lines include a gate line, a data line, and a pixel driving power line, and wherein the pixel circuit includes a plurality of thin film transistors connected respectively to the signal lines and at least one capacitor. ### Claim 20 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the vibration generating device is accommodated into the adhesive member and is separated from the second substrate by the adhesive member disposed therebetween. ### Claim 21 (depends on 20) The organic light emitting display apparatus of claim 20, wherein the adhesive member includes: a first adhesive layer disposed between the second substrate and the vibration generating device; and a second adhesive layer disposed on the first adhesive layer to cover an entire portion of the vibration generating device. ### Claim 22 (depends on 21) The organic light emitting display apparatus of claim 21, wherein the first adhesive layer is configured to transfer a vibration of the vibration generating device to the second substrate. ### Claim 23 (depends on 1) The organic light emitting display apparatus of claim 1, wherein: the vibration generating device includes a piezoelectric layer; and the piezoelectric layer includes: a plurality of piezoelectric portions; and a plurality of flexible portions between the plurality of piezoelectric portions. ### Claim 24 (depends on 23) The organic light emitting display apparatus of claim 23, wherein each of the piezoelectric portions includes an inorganic material, and each of the flexible portions includes at least one of an organic piezoelectric material and an organic non-piezoelectric material. ### Claim 25 (depends on 23) The organic light emitting display apparatus of claim 23, wherein the plurality of piezoelectric portions and the plurality of flexible portions are disposed in parallel on a same plane. ### Claim 26 (depends on 23) The organic light emitting display apparatus of claim 23, wherein the plurality of piezoelectric portions and the plurality of flexible portions are alternately disposed, and wherein a width of each of the plurality of piezoelectric portions is the same as or different from a width of each of the plurality of flexible portions. ### Claim 27 (depends on 26) The organic light emitting display apparatus of claim 26, wherein the width of each of the plurality of flexible portions disposed between the plurality of piezoelectric portions progressively decreases in a direction from a center portion to both edges of the vibration generating device. ### Claim 28 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the vibration generating device comprises: a first vibration generating device overlapping a first region of the first substrate; and a second vibration generating device overlapping a second region of the first substrate. ### Claim 29 (depends on 28) The organic light emitting display apparatus of claim 28, further comprising a partition at the adhesive member between the first vibration generating device and the second vibration generating device. ### Claim 30 (depends on 28) The organic light emitting display apparatus of claim 28, further comprising a partition at the adhesive member to surround each of the first vibration generating device and the second vibration generating device. ### Claim 31 (depends on 1) The organic light emitting display apparatus of claim 1, further comprising a rear structure at the second substrate. ### Claim 32 (depends on 31) The organic light emitting display apparatus of claim 31, further comprising: a gap space between the second substrate and the rear structure; and a space division member between the second substrate and the rear structure to divide the gap space into a first region and a second region. ### Claim 33 (depends on 32) The organic light emitting display apparatus of claim 32, wherein: the vibration generating device includes a first vibration generating device and a second vibration generating device; the first vibration generating device is at the first region; and the second vibration generating device is at the second region. ### Claim 34 (depends on 31) The organic light emitting display apparatus of claim 31, further comprising: a supporting part between a rear periphery of the second substrate and a front periphery of the rear structure; and a sidewall portion configured to surround an outer surface of the second substrate and an outer surface of the rear structure. ### Claim 35 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the light emitting layer is a quantum dot light emitting layer. ### Claim 36 (depends on 1) The organic light emitting display apparatus of claim 1, wherein the adhesive member contacts at least one lateral surface and at least one of upper and lower surfaces of the vibration generating device. ### Claim 37 (depends on 1) The organic light emitting display apparatus of claim 1, wherein, in a plan view, the adhesive member overlaps the vibration generating device entirely and has a larger area than the vibration generating device.