WO2015093269A1 - 電子機器および透光性カバー基板 - Google Patents
電子機器および透光性カバー基板 Download PDFInfo
- Publication number
- WO2015093269A1 WO2015093269A1 PCT/JP2014/081733 JP2014081733W WO2015093269A1 WO 2015093269 A1 WO2015093269 A1 WO 2015093269A1 JP 2014081733 W JP2014081733 W JP 2014081733W WO 2015093269 A1 WO2015093269 A1 WO 2015093269A1
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- Prior art keywords
- cover substrate
- main surface
- translucent cover
- electronic device
- region
- Prior art date
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Classifications
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- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Definitions
- the present invention relates to an electronic device and a translucent cover substrate.
- Patent Document 1 discloses a technique related to such a so-called smartphone.
- a translucent cover substrate that protects the image display surface of an image display device such as a built-in liquid crystal panel or organic EL panel is disposed and used as a part of the exterior of the electronic device.
- so-called tempered glass made of, for example, aluminosilicate glass is mainly used for translucent cover substrates that protect the image display surface of the image display device.
- Tempered glass is harder to break than normal glass, but when a relatively high impact force is applied, such as when an electronic device is dropped, the impact force can cause the translucent cover substrate made of tempered glass to crack. Cracks often occurred.
- One embodiment of the electronic apparatus has an image display device having an image display surface, a casing disposed at least at a part of the periphery of the image display device, and one main surface facing the image display surface,
- the translucent cover substrate in which the peripheral area of the one main surface is bonded to the casing, and the bonding member having a Young's modulus smaller than that of the translucent cover substrate that bonds the peripheral area of the one main surface and the casing.
- the translucent cover substrate has a gradually decreasing region whose thickness gradually decreases as it approaches the outermost peripheral portion of the peripheral region, and at least a part of the peripheral region of the one main surface is gradually decreased. Included in the region.
- One embodiment of the translucent cover substrate includes one main surface and the other main surface, and a peripheral region outermost peripheral part provided between the one main surface and the other main surface, the peripheral region outermost part It has a gradually decreasing area where the thickness gradually decreases as it approaches.
- FIG. 1 is a schematic front view for explaining an embodiment of the electronic device 100
- FIG. 2 is a back view of the electronic device 100
- FIG. 3 is an enlarged sectional view of a part of the electronic device 100
- 4A and 4B are diagrams showing an embodiment of the translucent cover substrate 1 included in the electronic device 100.
- FIG. 4A is a schematic perspective view
- FIG. 4B is an enlarged view of a part of the translucent cover substrate 1. It is sectional drawing.
- An electronic device 100 according to the present embodiment shown in FIGS. 1 to 4 is a portable electronic terminal having a communication function called a smartphone.
- the electronic device 100 is opposed to the image display device 52 having the image display surface 52 a, the casing 2 disposed at least at a part of the periphery of the image display device 52, and the image display surface 52 a.
- Translucent cover substrate 1 having one main surface 1A and the other main surface 1B opposite to one main surface 1A, at least a peripheral area 11A of one main surface 1A being joined to casing 2, and a peripheral edge of one main surface 1A
- a joining member 3 that joins the region 11A and the casing 2 and has a Young's modulus smaller than that of the translucent cover substrate 1 is provided.
- the translucent cover substrate 1 has a gradually decreasing region 1 ⁇ whose thickness gradually decreases as it approaches the outermost peripheral surface 1E of the peripheral region, and at least a part of the peripheral region 11A is included in the gradually decreasing region 1 ⁇ .
- the thickness of the gradually decreasing region 1 ⁇ gradually decreases as the peripheral region 11A of at least one main surface 1A approaches the other main surface 1B of the transparent cover substrate 1 as it approaches the outermost peripheral portion 1E of the peripheral region.
- the gradually decreasing region 1 ⁇ preferably has a width W of about 0.1 to 5 mm, for example.
- the peripheral region outermost peripheral part 1E is a part corresponding to the outermost peripheral line of the translucent cover substrate 1 when viewed in plan from a direction perpendicular to the one main surface 1A.
- the translucent cover substrate 1 has a planar side surface 1C, and the peripheral region outermost peripheral portion 1E includes the side surface 1C.
- the thickness of the outermost peripheral portion 1E of the peripheral region is preferably smaller by about 0.01 mm to 1 mm than the thickness of the central region 1 ⁇ .
- the joining member 3 is arranged so as to continuously wrap around from the peripheral region 11A of the one main surface 1A to the side surface 1C which is the outermost peripheral portion 1E of the peripheral region, and the side surface 1C is also joined to the casing 2 via the joining member 3. is doing.
- the translucent cover substrate 1 has translucency and has a single crystal body mainly composed of alumina (Al 2 O 3 ).
- a single crystal containing alumina (Al 2 O 3 ) as a main component is generally called sapphire, and is less likely to be scratched, harder to break than tempered glass, etc. It has high characteristics.
- the Young's modulus is as large as about 380 to 240 GPa and is not easily deformed.
- the translucent cover member 1 is not limited to being a single crystal body mainly composed of alumina (Al 2 O 3 ).
- the translucent cover member 1 may be formed of, for example, glass, acrylic resin, or the like, but from the viewpoint of being hard to be scratched and difficult to break, a single crystal mainly composed of alumina (Al 2 O 3 ). It is preferable that it is a body.
- “translucency” means that the transmittance for visible light is 50% or more.
- the thickness of the central region 1 ⁇ of the translucent cover substrate 1 of the present embodiment is, for example, about 4 mm.
- the one main surface 1A of the translucent cover substrate 1 has an arithmetic mean roughness (Ra) value of the gradually decreasing region 1 ⁇ in the arithmetic operation of the central region 1 ⁇ located on the center side of the one main surface 1A with respect to the gradually decreasing region 1 ⁇ .
- Ra average roughness
- the arithmetic average roughness (Ra) is about 0.05 to 0.08 (nm) in the central region 1 ⁇ of the one main surface 1A, whereas the arithmetic average is in the region corresponding to the gradually decreasing region 1 ⁇ of the one main surface 1A.
- the roughness (Ra) is about 0.1 to 0.2 (nm), which is relatively large compared to the central region 1 ⁇ .
- the arithmetic average roughness (Ra) may be measured using, for example, an atomic force microscope described later.
- the casing 2 is mainly composed of polycarbonate resin or the like.
- a resin material such as polycarbonate resin, ABS resin or nylon resin, a metal material such as a magnesium alloy, or a member commonly used by those skilled in the art such as the same material as the translucent cover substrate is used.
- the casing 2 may be configured by only one member, or may be configured by combining a plurality of members.
- the image display device 52 is, for example, a so-called liquid crystal display panel, and includes a backlight unit (not shown) and a liquid crystal layer (not shown).
- the image information displayed on the image display surface 52a of the image display device 52 is partially colored by white light emitted from the LED lamp of the backlight unit passing through the liquid crystal layer included in the image display device 52. It is formed by that. That is, when white light emitted from the LED lamp passes through the liquid crystal layer, the wavelength range of the transmitted light is limited for each part, so that the color of the transmitted light is changed, and characters having various colors and shapes Image information representing symbols, figures, etc. is formed on the image display surface 52a.
- the light representing the image information formed on the image display surface 52a is incident on the one main surface 1A of the translucent cover member 1 and is emitted from the other main surface 1B to be an operator (user) of the electronic device 100.
- the operator recognizes characters, symbols, graphics, and the like represented by the image information.
- a black light-shielding film layer 12 is provided in a partial region including the peripheral region portion 11A of the one main surface 1A of the translucent cover substrate 1, and a portion corresponding to the light-shielding film layer 12 is as follows. It is a hidden part where no information is displayed.
- the light-shielding film layer 12 selectively applies a light-shielding material such as an organic paint to a part of the region including the peripheral region 11A of the main surface 1A using, for example, a so-called screen printing method. Can be formed.
- the thickness of the light-shielding film 12 of this embodiment is, for example, about 0.01 to 10 ⁇ m. In addition, the material, formation method, thickness, etc.
- a touch panel 53 which will be described later, is attached to the one main surface 1A of the translucent cover substrate 1, and the user points an area corresponding to the display portion of the other main surface 1B of the translucent cover substrate 1 with a finger or the like By touching with, various instructions can be given to the electronic device 100.
- the speaker hole 21 and the microphone hole 20 are formed in the back surface 101 of the electronic device 100, in other words, the back surface 101 of the casing 2. Further, an imaging lens 58a included in an imaging unit 58 described later is exposed from the back surface 101 of the electronic device 100 through a lens cover window member or the like.
- the casing 2 of the electronic device 100 has a step portion 22 at a joint portion with the translucent cover substrate 1, and the translucent cover substrate 1 has one main surface 1 ⁇ / b> A on the step portion. It is joined to the step surface 22 a of 22 via the joining member 3. On the other hand, the peripheral region 11A of the main surface 1A is in contact with the joining member 3 in this way.
- the joining member 3 is formed by curing a so-called adhesive.
- a so-called adhesive for example, a high-viscosity liquid resin (adhesive) mainly composed of an epoxy resin or an acrylic resin is formed by being cured by, for example, heat or ultraviolet rays.
- the Young's modulus of such a joining member 3 is less than 0.1 GPa, and the Young's modulus of the joining member 3 is a single crystal (hereinafter, also simply referred to as “sapphire”) whose main component is alumina (Al 2 O 3 ). Very small compared.
- a so-called tape member in which an adhesive layer mainly composed of resin or the like is provided on the surface of a sheet-like base body mainly composed of resin or the like may be used. Is not particularly limited.
- the bonding member 3 Since the bonding member 3 has a smaller Young's modulus than the translucent cover substrate 1, for example, an external force in a direction from the outer surface of the casing 2 toward the center side of the translucent cover substrate 1 through the casing 2 and the bonding member 3. Is added, the joining member 3 is deformed to absorb this external force (energy of the external force is mainly used for deformation of the joining member 3), and the external force applied to the translucent cover substrate 1 becomes relatively small. . For example, when the electronic device 100 is dropped, even if the side surface or corner portion of the casing 2 collides with the ground, the joining member 3 is deformed, so that the impact force (external force) applied to the translucent cover substrate 1 is reduced. Is done.
- FIG. 5 shows an enlarged cross-sectional view of an electronic device 100 ′, which is an example of a conventional electronic device, for comparison with the present embodiment.
- the width (thickness) between the one main surface 1A ′ and the other main surface 1B ′ of the translucent cover substrate 1 ′ includes the peripheral region 11A ′ of the one main surface 1A ′. Uniform in all regions. Even in the region corresponding to the peripheral region 11A ', the thickness of the joining member 3' remains relatively thin. For this reason, for example, when an impact (external force) as indicated by an arrow in FIG.
- the translucent cover substrate 1 has a gradually decreasing region 1 ⁇ whose thickness gradually decreases as it approaches the outermost peripheral portion 1E of the peripheral region, while the peripheral region 1A of the main surface 1A is included in the gradually decreasing region 1 ⁇ . .
- the thickness of the bonding member 3 in the portion corresponding to the peripheral region 11A of the one main surface 1A can be increased by such a gradually decreasing region 1 ⁇ .
- the translucent cover substrate 1 is relatively unlikely to crack or crack.
- the width W of the gradually decreasing region 1 ⁇ is, for example, about 0.1 to 1 mm, and the thickness of the outermost peripheral portion 1E in the peripheral region is smaller by about 0.01 mm than the thickness of the central region 1 ⁇ . .
- the one main surface 1A of the translucent cover substrate 1 has an arithmetic mean roughness (Ra) value of the gradually decreasing region 1 ⁇ in the arithmetic operation of the central region 1 ⁇ located on the center side of the one main surface 1A with respect to the gradually decreasing region 1 ⁇ . Larger than the average roughness (Ra). For this reason, the gradually decreasing area 1 ⁇ has a relatively large surface area due to fine unevenness.
- the light-shielding film layer 12 is provided in the gradually decreasing region 1 ⁇ , but in the gradually decreasing region 1 ⁇ , the light-shielding film layer 12 bites into the fine irregularities of the one main surface 1A, and a so-called anchor effect occurs.
- the bonding strength between the light-shielding film layer 12 and the translucent cover substrate 1 is relatively high.
- fine unevenness corresponding to the fine unevenness of the main surface 1A is also formed on the surface of the light-shielding film layer 12.
- the joining member 3 bites into the fine irregularities on the surface of the light-shielding film layer 12 to produce a so-called anchor effect.
- the joining strength between the translucent cover substrate 1 (one main surface 1A) provided with the light-shielding film layer 12 and the joining member 3 is relatively high, and the translucent cover substrate 1 is detached from the casing 2. It has become difficult.
- the light-shielding film layer 12 is provided on one main surface 1A of the translucent cover substrate 1, but the light-shielding film layer 12 may be provided on the other main surface 1B of the translucent cover substrate 1. .
- the joining member 3 directly bites into the fine irregularities of the gradually decreasing region 1 ⁇ of the one main surface 1A of the translucent cover substrate 1 to generate a so-called anchor effect, and the translucent cover substrate 1 (one main surface 1A of the translucent cover substrate 1). ) And the bonding member 3 are relatively high in bonding strength.
- the central region 1 ⁇ corresponds to a display portion formed on the image display surface 52a through which light representing image information such as characters, symbols, and figures is transmitted.
- surface roughness such as arithmetic average roughness as much as possible.
- the arithmetic average roughness (Ra) of the central region 1 ⁇ is very small, about 0.05 to 0.08 (nm), while in the region corresponding to the gradually decreasing region 1 ⁇ .
- the arithmetic average roughness (Ra) is about 0.1 to 0.2 (nm), which is relatively larger than the central region 1 ⁇ , and the bonding strength with the bonding member 3 is relatively high.
- the gradually decreasing region 1 ⁇ of the translucent cover substrate 1 may be produced by cutting a part of the surface by machining or the like.
- a substrate mainly composed of a material having a relatively high hardness such as a single crystal (hereinafter also referred to simply as sapphire) mainly composed of alumina (Al 2 O 3 )
- the surface of the substrate is polished with a polishing pad, for example.
- the polishing step by gradually setting the pressing pressure (polishing pressure) of the polishing pad to be relatively high, the gradually decreasing region can be formed.
- the polishing pressure applied to the peripheral area of the substrate tends to be larger than the polishing pressure applied to the central portion.
- the translucent cover substrate is a substrate mainly composed of sapphire
- the one main surface 1A is polished.
- a copper plate is used as a polishing pad, and mechanical polishing is performed using diamond abrasive grains having a particle diameter of about 1 to 3 ⁇ m as polishing abrasive grains.
- the pressing pressure (polishing pressure) of the polishing pad is set to a relatively high value of 100 g / cm 2 to 500 g / cm 2 and the polishing pad is rotated at a rotation speed of 30 to 100 rpm.
- CMP chemical mechanical polishing
- colloidal silica abrasive grains having a grain size of about 20 to 80 ⁇ m as abrasive grains for polishing.
- the pressing pressure (polishing pressure) of the polishing pad is made relatively high at 100 g / cm 2 to 500 g / cm 2 and the polishing pad is rotated at a rotation speed of 30 to 100 rpm.
- Such a first polishing and a second polishing can also be performed on the other main surface 1B to form the gradually decreasing region 1 ⁇ .
- Sapphire is very hard and can be flattened with high precision while forming a gradually decreasing region by polishing with a relatively strong polishing pressure.
- FIG. 6 shows the measurement results of the surface shape of the vicinity region including the peripheral region 11A of the one end face 1 ⁇ of the translucent cover substrate 1 formed through such a polishing process.
- the graph in FIG. 6 is a shape curve obtained by measurement using a surface level meter, and the translucent cover substrate 1 is separated from the peripheral region outermost peripheral part 1E by 1.5 mm toward the side closer to the center. It is the surface profile obtained by measuring about the area
- the gradually decreasing region 1 ⁇ has, for example, a width W of about 0.35 mm, while the peripheral region 11A of the main surface 1 ⁇ has a thickness that is about 0.01 mm to 0.05 mm smaller than the central portion.
- the arithmetic average roughness (Ra) in the central region 1A of the main surface 1A Is about 0.05 to 0.08 (nm), whereas in the region corresponding to the gradually decreasing region 1 ⁇ of the main surface 1A, the arithmetic average roughness (Ra) is about 0.1 to 0.2 (nm). ) And was relatively large.
- FIG. 7 is an enlarged cross-sectional view of another embodiment of the electronic device. 7, the same configuration as that of the embodiment shown in FIG. 1 is indicated by using the same reference numerals as those in FIG.
- the entire peripheral region 11A of the one main surface 1A is included in the gradually decreasing region 1 ⁇ , but only a part of the peripheral region 11A of the one main surface 1A is included in the gradually decreasing region 1 ⁇ as shown in FIG. May be included. That is, as shown in FIG. 7, the gradually decreasing region 1 ⁇ may be smaller than the peripheral region 11A.
- 8A and 8B are enlarged sectional views of other embodiments of the translucent cover substrate 1, respectively. In FIG. 8, the same components as those in the embodiment shown in FIG.
- the translucent cover substrate 1 may be formed with a gradually decreasing region 1 ⁇ by forming a curved surface only on one main surface 1A side.
- the gradually decreasing region 1 ⁇ may be configured as a plane in which at least one of the one main surface 1A or the other main surface 1B is inclined.
- the entire vicinity of the peripheral region 11A is curved so that it does not have the flat side surface 1C and the thickness is zero (0) at the outermost peripheral portion of the peripheral region. Also good.
- FIG. 9 is a block diagram illustrating an example of an electrical configuration of the electronic device 100.
- the electronic device 100 includes a control unit 50, a wireless communication unit 51, an image display device 52, a touch panel 53, a piezoelectric vibration element 55, an external speaker 56, a microphone 57, an imaging unit 58, and a battery 59. These components are arranged in a housing structure formed by joining the translucent cover substrate 1 and the casing 2.
- the control unit 50 includes a CPU 50a, a storage unit 50b, and the like, and comprehensively manages the operation of the electronic device 100 by controlling other components of the electronic device 100.
- the storage unit 50b includes a ROM, a RAM, and the like.
- Various functional blocks are formed in the control unit 50 when the CPU 50a executes various programs in the storage unit 50b.
- the wireless communication unit 51 receives a signal from a communication device such as a mobile phone different from the electronic device 100 or a web server connected to the Internet via the base station via the antenna 51a.
- the wireless communication unit 51 performs amplification processing and down-conversion on the received signal and outputs the result to the control unit 50.
- the control unit 50 performs demodulation processing or the like on the input reception signal, and acquires a sound signal indicating voice or music included in the reception signal.
- the wireless communication unit 51 performs up-conversion and amplification processing on the transmission signal including the sound signal generated by the control unit 50, and wirelessly transmits the processed transmission signal from the antenna 51a.
- a transmission signal from the antenna 51a is received through a base station by a mobile phone different from the electronic device 100 or a communication device connected to the Internet.
- the image display device 52 is, for example, a liquid crystal image display device as described above, and displays various types of information such as characters, symbols, and figures on the image display surface 52a by being controlled by the control unit 50.
- the light representing the image information displayed on the image display device 52 passes through the translucent cover substrate 1 and enters the eyes of the user (operator) of the electronic device 100, so that the information is used by the electronic device 100. Visible to the person.
- the touch panel 53 is, for example, a projected electrostatic capacity type touch panel.
- the touch panel 53 includes two sheet-like electrode sensors (not shown) arranged to face each other. The two electrode sensors are bonded together by a transparent adhesive sheet (not shown). It is affixed on the one main surface 1A side of the translucent cover substrate 1, and detects a user's operation on the other main surface 1B of the translucent cover substrate 1.
- One electrode sensor is formed with a plurality of elongated X electrodes that extend along the X-axis direction (for example, the left-right direction of the electronic device 100 in FIG. 1) and are arranged in parallel to each other.
- the other electrode sensor is formed with a plurality of elongated Y electrodes that extend along the Y-axis direction (for example, the vertical direction of the electronic device 100 in FIG. 1) and are arranged in parallel to each other.
- the capacitance change between the X electrode and the Y electrode that occurs in the touch panel 53 is transmitted to the control unit 50, and the control unit 50 applies to the other main surface 1B of the translucent cover substrate 1 based on the capacitance change.
- the contents of the operation performed are identified, and the corresponding action is performed.
- the electronic device 100 includes a piezoelectric vibration element 55.
- the piezoelectric vibration element 55 is for transmitting the received sound to the user of the electronic device 100.
- the piezoelectric vibration element 55 is affixed to one main surface 1A of the translucent cover substrate 1, and the piezoelectric vibration element 55 vibrates based on a signal representing sound information, thereby causing the translucent cover substrate 1 to sound. Vibrate according to information.
- the piezoelectric vibration element 55 is vibrated by a driving voltage supplied from the control unit 50.
- the control unit 50 generates a drive voltage based on a sound signal indicating sound information (hereinafter also referred to as a reception sound), and applies the drive voltage to the piezoelectric vibration element 55.
- the piezoelectric vibration element 55 is vibrated by the control unit 50 based on the sound signal indicating the reception sound, whereby the reception sound is transmitted to the user of the electronic device 100.
- the control unit 50 functions as a drive unit that vibrates the piezoelectric vibration element 55 based on the sound signal.
- the piezoelectric vibration element 55 will be described in detail later.
- the external speaker 56 converts the electrical sound signal from the control unit 50 into sound and outputs the sound. Sound output from the external speaker 56 is output to the outside from the speaker hole 20 provided on the back surface 101 of the electronic device 100.
- the microphone 57 converts the sound input from the outside of the electronic device 100 into an electrical sound signal and outputs it to the control unit 50. Sound from the outside of the electronic device 100 is taken into the electronic device 100 through the microphone hole 21 provided on the back surface 101 of the electronic device 100 and input to the microphone 57.
- the imaging unit 58 includes an imaging lens 58a and an imaging element, and captures a still image and a moving image based on control by the control unit 50.
- the battery 59 is a power source for the electronic device 100.
- the current output from the battery 59 is supplied to each electronic component included in the control unit 50, the wireless communication unit 51, and the like included in the electronic device 100.
- ⁇ Details of piezoelectric vibration element> 10 and 11 are a top view and a side view showing the structure of the piezoelectric vibration element 55, respectively.
- the piezoelectric vibration element 55 has a long shape in one direction.
- the piezoelectric vibration element 55 has a rectangular elongated plate shape in plan view.
- the piezoelectric vibration element 55 has, for example, a bimorph structure, and includes a first piezoelectric ceramic plate 55a and a second piezoelectric ceramic plate 55b that are bonded to each other via a shim material 55c.
- the piezoelectric vibration element 55 when a positive voltage is applied to the first piezoelectric ceramic plate 55a and a negative voltage is applied to the second piezoelectric ceramic plate 55b, the first piezoelectric ceramic plate 55a extends along the longitudinal direction.
- the second piezoelectric ceramic plate 55b extends and contracts along the longitudinal direction. Accordingly, as shown in FIG. 12, the piezoelectric vibration element 55 bends in a mountain shape with the first piezoelectric ceramic plate 55a facing outside.
- the piezoelectric vibration element 55 when a negative voltage is applied to the first piezoelectric ceramic plate 55a and a positive voltage is applied to the second piezoelectric ceramic plate 55b, the first piezoelectric ceramic plate 55a is in the longitudinal direction.
- the second piezoelectric ceramic plate 55b extends along the longitudinal direction. Accordingly, as shown in FIG. 13, the piezoelectric vibration element 55 bends in a valley shape with the second piezoelectric ceramic plate 55b facing outside.
- the piezoelectric vibration element 55 performs flexural vibration by alternately taking the state of FIG. 12 and the state of FIG.
- the controller 50 flexes and vibrates the piezoelectric vibration element 55 by applying an alternating voltage in which a positive voltage and a negative voltage appear alternately between the first piezoelectric ceramic plate 55a and the second piezoelectric ceramic plate 55b.
- the piezoelectric vibration element 55 shown in FIGS. 11 to 13 there is provided only one structure including the first piezoelectric ceramic plate 55a and the second piezoelectric ceramic plate 55b bonded together with the shim material 55c interposed therebetween.
- a plurality of such structures may be stacked.
- a laminated piezoelectric vibration element in which the shim material 55c is not provided, piezoelectric ceramic plates and electrodes are alternately laminated, and the polarization direction is different between the upper ceramic ceramic plate and the lower ceramic plate in the thickness direction may be used.
- FIG. 14 is a plan view when the translucent cover substrate 1 is viewed from the one main surface 1A side.
- the piezoelectric vibration element 55 is attached to the one main surface 1A of the translucent cover substrate 1 with an adhesive such as a double-sided tape.
- the piezoelectric vibration element 55 is located on one main surface 1A of the translucent cover substrate 1 so as not to overlap the image display device 52 and the touch panel 53 in a plan view when the translucent cover substrate 1 is viewed from the one main surface 1A side. Is arranged.
- the piezoelectric vibrating element 55 vibrates the translucent cover substrate 1 so that air conduction sound and conduction sound are transmitted from the translucent cover substrate 1 to the user.
- air conduction sound and conduction sound are transmitted from the translucent cover substrate 1 to the user by transmitting the vibration of the piezoelectric vibration element 55 itself to the translucent cover substrate 1.
- the airway sound is a sound that is recognized by the human brain when sound waves (air vibrations) entering the ear canal hole (so-called “ear hole”) vibrate the eardrum.
- the conduction sound is sound that is recognized by the human brain when the auricle is vibrated and the vibration of the auricle is transmitted to the eardrum and the eardrum vibrates.
- the air conduction sound and the conduction sound will be described in detail.
- FIG. 15 is a diagram for explaining air conduction sound and conduction sound.
- FIG. 15 shows the structure of the ear of the user of electronic device 100.
- the wavy line 400 indicates the conduction path of the sound signal (sound information) when the airway sound is recognized by the brain
- the solid line 410 indicates the conduction path of the sound signal when the conduction sound is recognized by the brain. Is shown.
- the translucent cover substrate 1 vibrates, and the translucent cover substrate Sound waves are output from 1.
- the user holds the electronic device 100 in his hand and brings the translucent cover substrate 1 of the electronic device 100 close to the user's auricle 200, or the translucent cover substrate 1 of the electronic device 100 is When hitting the user's pinna 200, sound waves output from the translucent cover substrate 1 enter the ear canal hole 210. Sound waves from the translucent cover substrate 1 travel through the ear canal hole 210 and vibrate the eardrum 220. The vibration of the eardrum 220 is transmitted to the ossicle 230, and the ossicle 230 vibrates.
- the vibration of the ossicle 230 is transmitted to the cochlea 240 and converted into an electric signal in the cochlea 240.
- This electrical signal is transmitted to the brain through the auditory nerve 250, and the received sound is recognized in the brain. In this way, air conduction sound is transmitted from the translucent cover substrate 1 to the user.
- the auricle 200 is vibrated by the piezoelectric vibration element 55.
- the translucent cover substrate 1 is vibrated.
- the vibration of the auricle 200 is transmitted to the eardrum 220, and the eardrum 220 vibrates.
- the vibration of the eardrum 220 is transmitted to the ossicle 230, and the ossicle 230 vibrates.
- the vibration of the ossicles 230 is transmitted to the cochlea 240 and converted into an electric signal in the cochlea 240.
- This electrical signal is transmitted to the brain through the auditory nerve 250, and the received sound is recognized in the brain. In this way, the conduction sound is transmitted from the translucent cover substrate 1 to the user.
- the auricular cartilage 200 a inside the auricle 200 is also shown.
- Bone conduction sound is sound that is recognized by the human brain by vibrating the skull and directly stimulating the inner ear such as the cochlea.
- a sound signal transmission path when a bone conduction sound is recognized by the brain is indicated by a plurality of arcs 420.
- the piezoelectric vibrating element 55 appropriately vibrates the translucent cover substrate 1 on the front surface, so that the user of the electronic device 100 can transmit the translucent cover substrate 1. Air conduction sound and conduction sound can be communicated to it.
- the structure is devised so that air conduction sound and conduction sound can be appropriately transmitted to the user.
- Various merits are generated by configuring the electronic device 100 so that air conduction sound and conduction sound can be transmitted to the user.
- the user can hear a sound when the translucent cover substrate 1 is applied to the ear, the user can make a call without much worrying about the position of the electronic device 100 where the ear is applied.
- the user can make the surrounding noise difficult to hear while increasing the volume of the conduction sound by pressing the ear strongly against the translucent cover substrate 1. Therefore, the user can make a call appropriately even when the ambient noise is high.
- the user can receive a reception sound from the electronic device 100 by placing the translucent cover substrate 1 on his / her ear (more specifically, the auricle). Can be recognized. Further, the user can recognize the received sound from the electronic device 100 by applying the translucent cover substrate 1 to the headphones even when the headphones are attached to the ears.
- an earpiece is provided on the front translucent cover substrate 1 in order to extract sound output from a receiver (receiving speaker) provided inside the electronic device to the outside of the electronic device. May be drilled.
- the translucent cover substrate 1 is a single crystal body mainly composed of alumina (Al 2 O 3 ), and is extremely hard as compared with tempered glass or the like. Furthermore, the resistance to various chemicals is very high.
- an expensive manufacturing apparatus such as a laser processing apparatus is required. Or the time required for processing becomes long, and the manufacturing cost may be relatively high.
- the translucent cover substrate 1 of this embodiment does not have a hole for the earpiece, the cost for the hole processing does not occur, and the manufacturing cost of the electronic device 100 is low. Moreover, since the translucent cover substrate 1 does not have a hole for the earpiece, the translucent cover substrate 1 is maintained at a relatively high strength. Further, in the present embodiment, since there is no earpiece hole on the surface of electronic device 100, there is no problem of water or dust entering from the earpiece hole. Therefore, the electronic device 100 does not require a waterproof structure or a dust-proof structure for this problem, and the cost of the electronic device 100 can be further reduced.
- the present invention is applied to a mobile phone as an example.
- the present invention can also be applied to an electronic device other than a mobile phone.
- the present invention can be applied to game machines, notebook personal computers, portable navigation systems, and the like.
- the present invention is not limited to the above-described embodiments, and various improvements and modifications may be made without departing from the scope of the present invention.
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Abstract
Description
図1は、電子機器100の一実施形態について説明する概略前面図であり、図2は電子機器100の裏面図であり、図3は電子機器100の一部の拡大断面図である。また図4は電子機器100が備える透光性カバー基板1の一実施形態について示す図であり、(a)は概略斜視図であり、(b)は透光性カバー基板1の一部の拡大断面図である。
図1~4に示す本実施の形態に係る電子機器100は、いわゆるスマートフォンと呼ばれる通信機能を備えた携帯型電子端末機である。
図9は電子機器100の電気的構成の一例を示すブロック図である。図9に示されるように、電子機器100は、制御部50、無線通信部51、画像表示デバイス52、タッチパネル53、圧電振動素子55、外部スピーカ56、マイク57、撮像部58及び電池59を備えており、これらの構成要素は、透光性カバー基板1とケーシング2とが接合して構成された筐体構造内に配置されている。
図10、11は、それぞれ、圧電振動素子55の構造を示す上面図及び側面図である。図10、11に示されるように、圧電振動素子55は一方向に長い形状を成している。具体的には、圧電振動素子55は、平面視で長方形の細長い板状を成している。圧電振動素子55は、例えばバイモルフ構造を有しており、シム材55cを介して互いに貼り合わされた第1圧電セラミック板55a及び第2圧電セラミック板55bを備えている。
図14は、透光性カバー基板1を一方主面1A側から見た際の平面図である。圧電振動素子55は、両面テープ等の接着剤によって、透光性カバー基板1の一方主面1Aに貼り付けられている。圧電振動素子55は、透光性カバー基板1の一方主面1Aにおいて、この透光性カバー基板1を一方主面1A側から見た平面視で画像表示デバイス52及びタッチパネル53とは重ならない位置に配置されている。
本実施の形態では、圧電振動素子55が透光性カバー基板1を振動させることによって、当該透光性カバー基板1から気導音及び伝導音が使用者に伝達されるようになっている。言い換えれば、圧電振動素子55自身の振動が透光性カバー基板1に伝わることにより、当該透光性カバー基板1から気導音及び伝導音が使用者に伝達されるようになっている。
携帯電話機などの電子機器では、当該電子機器の内部に設けられたレシーバ(受話用スピーカ)から出力される音を当該電子機器の外部に取り出すために、前面の透光性カバー基板1に受話口の穴があけられることがある。
1A 一方主面
1B 他方主面
50 制御部
52 画像表示デバイス
52a 画像表示面
53 タッチパネル
55 圧電振動素子
100 電子機器
Claims (8)
- 画像表示面を有する画像表示デバイスと、
前記画像表示デバイスの周囲の少なくとも一部に配置されるケーシングと、
前記画像表示面に対向する一方主面を有し、少なくとも前記一方主面の周縁領域が前記ケーシングに接合された透光性カバー基板と、
前記一方主面の周縁領域と前記ケーシングとを接合する、前記透光性カバー基板よりもヤング率が小さい接合部材とを備える電子機器であって、
前記透光性カバー基板は、周縁領域最外周部に近づくにつれて厚みが漸減する漸減領域を有し、前記周縁領域の少なくとも一部が前記漸減領域に含まれることを特徴とする電子機器。 - 前記漸減領域は、少なくとも前記一方主面の前記周縁領域が、前記周縁領域最外周部に近づくにつれて前記透明性カバー基板の他方主面に近づくことで厚みが漸減していることを特徴とする請求項1記載の電子機器。
- 前記接合部材は、前記一方主面の前記周縁領域から前記周縁領域最外周部の少なくとも一部まで連続して回りこむように配置されており、前記周縁領域最外周部の少なくとも一部も前記接合部材を介して前記ケーシングと接合していることを特徴とする請求項1または2記載の電子機器。
- 前記透光性カバー基板はアルミナ(Al2O3)を主成分とする単結晶体であることを特徴とする請求項1~3のいずれかに記載の電子機器。
- 前記一方主面は、前記漸減領域の算術平均粗さ(Ra)の値が、前記漸減領域よりも前記一方主面の中央側に位置する中央領域の算術平均粗さ(Ra)に比べて大きいことを特徴とする請求項1~4のいずれかに記載の電子機器。
- 音情報を使用者に伝えるための圧電振動素子をさらに備え、
前記圧電振動素子は前記透光性カバー基板の前記一方主面に貼り付けられており、前記圧電振動素子は、前記音情報を表す信号に基いて振動することで、前記透光性カバー基板を前記音情報に応じて振動させることを特徴とする請求項1~5のいずれかに記載の電子機器。 - 一方主面と他方主面と、前記一方主面と前記他方主面の間に設けられた周縁領域最外周部とを備え、該周縁領域最外周部に近づくにつれて厚みが漸減する漸減領域を有することを特徴とする透光性カバー基板。
- 前記漸減領域は、少なくとも前記一方主面の前記周縁領域が、前記周縁領域最外周部に近づくにつれて前記透明性カバー基板の他方主面に近づくことで厚みが漸減していることを特徴とする請求項7記載の電子機器。
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EP14872588.0A EP3086306A4 (en) | 2013-12-21 | 2014-12-01 | Electronic device and translucent cover substrate |
JP2015553456A JPWO2015093269A1 (ja) | 2013-12-21 | 2014-12-01 | 電子機器および透光性カバー基板 |
CN201480069170.3A CN105874522A (zh) | 2013-12-21 | 2014-12-01 | 电子设备以及透光性盖基板 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017090750A (ja) * | 2015-11-13 | 2017-05-25 | 旭硝子株式会社 | 印刷層付き板およびこれを用いた表示装置 |
CN108605063A (zh) * | 2016-07-27 | 2018-09-28 | 华为技术有限公司 | 一种壳体与显示屏的粘结方法、壳体组件和移动终端 |
JP2020003821A (ja) * | 2019-09-26 | 2020-01-09 | Agc株式会社 | 印刷層付き板およびこれを用いた表示装置 |
JP2022043255A (ja) * | 2019-09-26 | 2022-03-15 | Agc株式会社 | 印刷層付き板およびこれを用いた表示装置、並びに車載用表示装置 |
JP7550728B2 (ja) | 2021-06-29 | 2024-09-13 | 三菱電機株式会社 | ディスプレイ装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015137755A1 (ko) * | 2014-03-12 | 2015-09-17 | 박철 | 전자기기용 필름부재 |
WO2015177827A1 (en) * | 2014-05-21 | 2015-11-26 | Kyocera Corporation | Electronic apparatus |
CN105116967B (zh) | 2015-08-31 | 2017-09-26 | 广东欧珀移动通信有限公司 | 终端前盖组件及终端 |
US20180077813A1 (en) * | 2016-09-12 | 2018-03-15 | Apple Inc. | Electronic Devices With Protective Enzymes |
USD794036S1 (en) * | 2016-10-17 | 2017-08-08 | SMPL Inc. | Mobile device enclosure |
EP3682002A1 (en) | 2017-09-12 | 2020-07-22 | Ginkgo Bioworks Inc. | Protective enzymes |
KR102595188B1 (ko) * | 2018-01-23 | 2023-10-27 | 삼성디스플레이 주식회사 | 표시 장치 |
CN108227269A (zh) * | 2018-02-01 | 2018-06-29 | 京东方科技集团股份有限公司 | 一种中壳、电子设备及其组装方法 |
CN113888968B (zh) * | 2019-02-20 | 2023-01-13 | 华为技术有限公司 | 柔性显示盖板、显示面板及显示装置 |
CN109831557B (zh) * | 2019-02-21 | 2022-03-04 | 维沃移动通信有限公司 | 一种移动终端及其制备方法 |
WO2020218350A1 (ja) * | 2019-04-25 | 2020-10-29 | 京セラ株式会社 | 光学部品 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008018551A1 (fr) * | 2006-08-09 | 2008-02-14 | Citizen Seimitsu Co., Ltd. | Panneau d'affichage et dispositifs l'utilisant |
JP2008111984A (ja) * | 2006-10-30 | 2008-05-15 | Kyocera Corp | 携帯電子機器 |
JP2009216763A (ja) * | 2008-03-07 | 2009-09-24 | Hitachi Displays Ltd | 液晶表示装置 |
JP2011021929A (ja) * | 2009-07-14 | 2011-02-03 | Seiko Epson Corp | 無線機能付き時計 |
JP2011061316A (ja) | 2009-09-07 | 2011-03-24 | Fujitsu Toshiba Mobile Communications Ltd | 携帯電話機 |
WO2012029347A1 (ja) * | 2010-09-03 | 2012-03-08 | アルプス電気株式会社 | ガラス複合体、ガラス複合体を用いた電子機器、及び、入力装置 |
WO2013146225A1 (ja) * | 2012-03-28 | 2013-10-03 | 京セラ株式会社 | 透光性パネル取付構造及び携帯型電子機器 |
JP2013218245A (ja) * | 2012-04-12 | 2013-10-24 | Seiko Epson Corp | 光学素子、撮像装置、カメラ及び光学素子の製造方法 |
JP2013247661A (ja) * | 2012-05-29 | 2013-12-09 | Kyocera Corp | 電子機器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5804522A (en) * | 1994-09-10 | 1998-09-08 | Uegami; Kenjiro | Hardened alumina material |
JP4557454B2 (ja) | 2000-10-31 | 2010-10-06 | 京セラ株式会社 | 単結晶サファイア基板 |
US7966785B2 (en) * | 2007-08-22 | 2011-06-28 | Apple Inc. | Laminated display window and device incorporating same |
CN102006747B (zh) * | 2009-09-03 | 2015-07-29 | 鸿富锦精密工业(深圳)有限公司 | 壳体 |
CN102006739A (zh) * | 2009-09-03 | 2011-04-06 | 鸿富锦精密工业(深圳)有限公司 | 壳体 |
CN102076186A (zh) * | 2009-11-20 | 2011-05-25 | 深圳富泰宏精密工业有限公司 | 电子装置外壳及其制作方法 |
JP5710302B2 (ja) * | 2011-02-09 | 2015-04-30 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
US20120249281A1 (en) | 2011-04-04 | 2012-10-04 | General Electric Company | Inductor and eddy current sensor including an inductor |
US20120306805A1 (en) * | 2011-05-31 | 2012-12-06 | Idt Technology Limited | Hand-worn device with finger activation and control mechanisms |
KR102132175B1 (ko) * | 2011-08-29 | 2020-07-09 | 에이지씨 가부시키가이샤 | 유리판 |
US10052848B2 (en) | 2012-03-06 | 2018-08-21 | Apple Inc. | Sapphire laminates |
JP5952092B2 (ja) * | 2012-05-29 | 2016-07-13 | 京セラ株式会社 | 電子機器 |
US9429997B2 (en) | 2012-06-12 | 2016-08-30 | Apple Inc. | Electronic device with wrapped display |
US20140023430A1 (en) | 2012-07-19 | 2014-01-23 | Apple Inc. | Attachment Techniques |
US9221289B2 (en) | 2012-07-27 | 2015-12-29 | Apple Inc. | Sapphire window |
-
2014
- 2014-08-08 US US14/455,174 patent/US9261915B2/en not_active Expired - Fee Related
- 2014-12-01 EP EP14872588.0A patent/EP3086306A4/en active Pending
- 2014-12-01 WO PCT/JP2014/081733 patent/WO2015093269A1/ja active Application Filing
- 2014-12-01 CN CN201480069170.3A patent/CN105874522A/zh active Pending
- 2014-12-01 JP JP2015553456A patent/JPWO2015093269A1/ja active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008018551A1 (fr) * | 2006-08-09 | 2008-02-14 | Citizen Seimitsu Co., Ltd. | Panneau d'affichage et dispositifs l'utilisant |
JP2008111984A (ja) * | 2006-10-30 | 2008-05-15 | Kyocera Corp | 携帯電子機器 |
JP2009216763A (ja) * | 2008-03-07 | 2009-09-24 | Hitachi Displays Ltd | 液晶表示装置 |
JP2011021929A (ja) * | 2009-07-14 | 2011-02-03 | Seiko Epson Corp | 無線機能付き時計 |
JP2011061316A (ja) | 2009-09-07 | 2011-03-24 | Fujitsu Toshiba Mobile Communications Ltd | 携帯電話機 |
WO2012029347A1 (ja) * | 2010-09-03 | 2012-03-08 | アルプス電気株式会社 | ガラス複合体、ガラス複合体を用いた電子機器、及び、入力装置 |
WO2013146225A1 (ja) * | 2012-03-28 | 2013-10-03 | 京セラ株式会社 | 透光性パネル取付構造及び携帯型電子機器 |
JP2013218245A (ja) * | 2012-04-12 | 2013-10-24 | Seiko Epson Corp | 光学素子、撮像装置、カメラ及び光学素子の製造方法 |
JP2013247661A (ja) * | 2012-05-29 | 2013-12-09 | Kyocera Corp | 電子機器 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3086306A4 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017090750A (ja) * | 2015-11-13 | 2017-05-25 | 旭硝子株式会社 | 印刷層付き板およびこれを用いた表示装置 |
US10518504B2 (en) | 2015-11-13 | 2019-12-31 | AGC Inc. | Plate with printing layer and display device using the same |
CN108605063A (zh) * | 2016-07-27 | 2018-09-28 | 华为技术有限公司 | 一种壳体与显示屏的粘结方法、壳体组件和移动终端 |
JP2019512724A (ja) * | 2016-07-27 | 2019-05-16 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 筐体とスクリーンとを接合する方法、筐体組立部品および携帯端末 |
JP2020003821A (ja) * | 2019-09-26 | 2020-01-09 | Agc株式会社 | 印刷層付き板およびこれを用いた表示装置 |
JP7003980B2 (ja) | 2019-09-26 | 2022-01-21 | Agc株式会社 | 印刷層付き板およびこれを用いた表示装置 |
JP2022043255A (ja) * | 2019-09-26 | 2022-03-15 | Agc株式会社 | 印刷層付き板およびこれを用いた表示装置、並びに車載用表示装置 |
JP7302649B2 (ja) | 2019-09-26 | 2023-07-04 | Agc株式会社 | 車載用表示装置用カバーガラス及び車載用表示装置 |
JP7550728B2 (ja) | 2021-06-29 | 2024-09-13 | 三菱電機株式会社 | ディスプレイ装置 |
Also Published As
Publication number | Publication date |
---|---|
EP3086306A1 (en) | 2016-10-26 |
JPWO2015093269A1 (ja) | 2017-03-16 |
EP3086306A4 (en) | 2017-11-29 |
US20150177790A1 (en) | 2015-06-25 |
US9261915B2 (en) | 2016-02-16 |
CN105874522A (zh) | 2016-08-17 |
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