EP4526268A1 - Flexibles glaselement und verfahren zu dessen herstellung - Google Patents
Flexibles glaselement und verfahren zu dessen herstellungInfo
- Publication number
- EP4526268A1 EP4526268A1 EP23723832.4A EP23723832A EP4526268A1 EP 4526268 A1 EP4526268 A1 EP 4526268A1 EP 23723832 A EP23723832 A EP 23723832A EP 4526268 A1 EP4526268 A1 EP 4526268A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- glass element
- connecting section
- glass
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
- B24B7/242—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for plate glass
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133331—Cover glasses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
Definitions
- the invention generally relates to the structuring of glass.
- the invention relates to structuring glass in such a way that the glass locally has increased flexibility.
- Structuring glass to insert openings or depressions of any shape is known from the prior art, for example from DE 10 2018 100 299 Al and DE 10 2018 110 211 Al.
- EP 3 936 485 A1 describes a flexible element made of an inorganic brittle material and its production.
- the element has at least three sections, with a first section being arranged between two second sections.
- the first section includes an array of openings that form passages from one side to the opposite side of the element so that the first section has greater flexibility than the second sections.
- the first section thus acts like a hinge between the two second sections.
- the arrangement of the openings is further designed in particular in such a way that bending is made possible.
- the flexible section may also be desirable to enable the flexible section to be easily stretched or compressed. This is the case, among other things, when mechanical damping of an inner section of the glass element is to be effected relative to surrounding sections separated from the inner section via the flexible section.
- the problem is that abrupt mechanical shocks can lead to damage.
- This problem occurs, among other things, in electrical feedthroughs where an impact on the feedthrough conductor, for example, can lead to a crack and thus to a leak in the feedthrough.
- From WO 2021/061481 A1 an implementation is known in which the glass insulation has a trench, which surrounds the implementation manager. This trench is intended to prevent a crack from propagating due to mechanical impact.
- the disadvantage here is that although the crack propagation and thus the damage is limited, it still exists. In contrast, it would be desirable to completely avoid damage in order to make the implementation more resistant to repeated mechanical influences.
- the invention is therefore based on the object of providing a glass element which has the additional properties mentioned above.
- the object of the invention is also to provide a workpiece that is originally not or only minimally flexible with local flexibility through structuring, in that a certain area can be deflected relative to the remaining element by means of a framing structuring.
- the structuring should be so pronounced that the deflection is made possible, in particular perpendicular to the workpiece surface, or has at least one vertical component.
- a glass element is provided with a second section that can be deflected relative to a first section, the first section and the second section being connected to one another via a connecting section, the first section, the second section and the connecting section being formed in one piece and the connecting section being flexibly deformable is designed in such a way that the connecting section is bendable, as well as stretchable or compressible, so that the second section is movable relative to the first section while deforming the connecting section.
- the structuring of the connecting section can be such that the structuring does not open the volumes that are hermetically separated from one another by the workpiece to one another, so the structuring remains gas-tight.
- the connecting section can form a gas-tight connection between the first section and the second section.
- the glass element is plate-shaped, with the first section surrounding the second section.
- the second section can, for example, form a button opposite the surrounding glass pane, or the surrounding first section, can be actuated, in particular pressed in.
- the connecting section has a thickness that is at least partially reduced compared to the first and/or second section.
- the deformability in particular the expansion or compression, can be achieved particularly effectively in that the connecting section has at least one surface offset, such that the connecting section has at least two regions whose surfaces lie at different heights in the direction perpendicular to the surface of the first or second section .
- an expansion or compression can be translated into a bending of the material between these two areas. The bend allows the two areas to move away from each other or towards each other.
- the connecting section can have at least one loop or meander.
- the connecting section thereby receives a cross-sectional shape similar to a bellows, such as in particular a folded or corrugated bellows.
- Fig. 1 shows a top view of a plate-shaped glass element.
- Fig. 2 is a cross-sectional view of the plate-shaped glass member.
- Fig. 3 shows a tubular glass element.
- Fig. 4 shows a plate-shaped glass element in cross section.
- Fig. 5 shows a variant of the example of Fig. 4.
- Fig. 6 shows four examples of glass elements with differently shaped connecting sections.
- Fig. 7 shows a diagram with stresses occurring on the connecting element and deflections of a section of the glass element under various forces.
- Fig. 8 shows a glass element with a second section deflected under the influence of force.
- Fig. 9 shows a diagram with the stresses and forces occurring for a given deflection for various embodiments of glass elements.
- 10 to 12 show process steps for producing a glass element.
- Fig. 13 shows a variant of the glass element with oblique offset strips.
- Fig. 14 shows a switch button with a glass element.
- Fig. 15 shows a variant of the switch button.
- Fig. 16 shows a control panel of a smartphone or tablet PC.
- Fig. 17 shows a sensor with a glass element.
- Fig. 18 shows an electrical feedthrough
- Fig. 1 shows a schematic top view of a glass element 1.
- the glass element 1 is designed in the shape of a plate or disk.
- the glass element 1 is divided into a first section 3, a second section 5 and a connecting section 7 connecting the two sections 3, 5.
- the three sections 3, 5, 7 mentioned are designed in one piece or monolithically. This means in particular that the three sections 3, 5, 7 are formed from the same glass.
- the first region 3 surrounds the second region 5 in the case of a plate or disk-shaped glass element 1, so that the second section 5 is preferably completely surrounded by the first section 3.
- the connecting section 7 here accordingly has the shape of a closed or circumferential ring, which encloses the second section 5 and surrounds it in a ring.
- the connecting section 7 has sharp corners. In practice, contrary to what is shown, it may generally be advantageous for the connecting section 7 to have corners that are rounded to facilitate deformation.
- the connecting section 7 is designed to be flexible and can in particular be stretched or compressed. In the example shown, the elasticity is particularly important. Because the connecting section 7 can be stretched, it is possible to deflect the second region 5 relative to the first region 3 in a direction perpendicular to the surface.
- the connecting section 7 enables a movement of the second section 5 relative to the first section 3 in a direction with a component perpendicular to the surface of the second section 5.
- this movement can also be exactly perpendicular to the surface, or along the surface normal of the second section 5.
- movements that are essentially vertical may also be desired.
- this is understood to mean a movement whose movement component perpendicular to the surface of the second section 5 is greater in magnitude than the amount of the movement component along, i.e. parallel to the surface of the second section 5.
- the glass element 1 has two opposite sides 10, 11.
- the second section 5 can be deflected in the direction perpendicular to the sides 10, 11 by a force, for example by pressure with a finger.
- the second section 5 is shown in a deflected position; the direction of the deflection is symbolized by an arrow.
- a bend and on the other hand also an expansion of the connecting section 7 is required.
- the glass element 1 is designed as a tube.
- the sections 3, 5, 7 are longitudinal sections of the pipe here, the two sections 3, 5 being connected to one another by the connecting section 7. Because the connecting section 7 is not only bendable, but also stretchable or compressible, this arrangement enables the two sections 3, 5 to be angled towards one another.
- FIGS. 1 to 3 show a section of a glass element 1 in cross section.
- the glass element 1 has a first section 3 and a second section 5, which are connected to one another via a connecting section 7, the connecting section 7 having a certain flexibility that allows expansion or compression, as well as bending, so that the two sections 3, 5 can be tilted against each other, as well as transversely to their sides 10, 11.
- the connecting section 7, as in the example shown, has a reduced thickness at least in some areas compared to the first or second section 3, 5. This already enables easier bending of the glass element 1 at the connecting section 7.
- the glass element 1 is preferably structured in such a way that the thickness, which is reduced at least in some areas compared to the first or second section 3, 5, has a value in the range from 10 pm to 200 pm, preferably in the range 20 pm to 100 pm.
- the connecting section 7 has at least one step or surface offset 8, such that the connecting section 7 has at least two strips 70, 71, the surfaces of which lie at different heights in the direction perpendicular to the surface of the first or second section 3, 5.
- These offset strips 70, 71 can in particular be connected to one another by a further strip of the connecting section 7.
- Such a strip is referred to below as a dislocation web.
- the displacement web 9 is preferably tilted in its orientation by 90° relative to the orientation of the sides of the sections 3, 5. If the sides 10, 11 of sections 3, 5 are horizontal, the displacement web 9 is oriented vertically.
- the tilting does not have to be exactly 90°; in general, the offset web 9 can be oriented relative to one of the sides 10, 11 of one of the sections 3, 5 in such a way that there is an angle in the range of 60° between the side 10, 11 and the surface of the offset web 9 ° to 120°, preferably from 80° to 100°.
- the extensibility and compressibility of the connecting section 7 is caused by the fact that the connecting section 7 has regions that are inclined towards one another Has surfaces or surfaces with varying surface normals. This means that expansion or compression can easily be translated into a slight change in the angle between the surfaces.
- the surface of the connecting section 7 is shaped such that at least one throat or channel 13 is formed. This feature is not limited to the specific example.
- the connecting section 7 can then be stretched or compressed in the direction perpendicular to the longitudinal direction of the channel 13. Particularly preferably, several channels 13 are formed in such a way that adjacent channels are opened towards different sides 10, 11 of the glass element 1. If the connecting section 7 is annular, this also applies to the one or more channels 13.
- the connecting section has at least 3, or according to another further development, at least 5 channels 13.
- the connecting section 7 has at most 200, preferably at most 100, channels.
- the number of channels 13 is preferably limited to a maximum of 50, in particular a maximum of 20, in order to reduce the manufacturing effort.
- the channels 13 generally and preferably typically run concentrically.
- FIG. 4 there is only a single offset web 9, which forms the side wall of two adjacent channels 13.
- a higher ability to stretch or compress is achieved if several such dislocation webs 9 are present.
- 5 shows an example of a general embodiment in which the connecting section 7 has a groove 13 which runs at a distance from the transitions from the connecting section 7 to the adjacent first and second sections 3, 5. This channel 13 can be delimited by two such displacement webs 9, as shown.
- the shape of the connecting section 7 can also be described as meaning that the connecting section 7 has at least one loop or meander. Part of this loop or meander is the channel 13, or the sequence of channels 13 opened on opposite sides 10, 11 of the glass element 1. As can be seen from the embodiments of FIGS.
- the connecting section 7 is designed as a continuous connection without openings.
- the connecting section 7 forms a fluid-tight, in particular also gas-tight, connection between the first section 3 and the second section 5.
- a channel 13, as shown in FIG. 5, can now be varied in various ways with regard to its shape.
- Fig. 6 shows four different configurations of a channel 13 of the connecting section 7.
- the middle channel 13 is narrow and flat.
- the channel 13 is also flat, but wide.
- a narrow but deep channel 13 is provided.
- example d) has a groove that is both wide and deep.
- glass elements 1 with a thickness of 1 mm were used.
- the glass thickness in the connecting section 7 is reduced by a factor of 20 to 0.05 mm.
- the transitions between the strips 70, 71 and the offset webs 9 are, unlike shown in the figures, slightly rounded with edge radii of 0.025 mm on all edges.
- their width was 0.9 mm each.
- the width was a quarter of this value, i.e. approximately 0.225 mm. It can be seen that the representation in FIG. 6 is not to scale in this regard, since the narrow stripes and webs of the calculated examples are significantly narrower in relation to the wide stripes and webs than shown in the schematic representation.
- Fig. 7 shows a diagram with tensions occurring on differently shaped connecting elements and the resulting deflections under different forces.
- the connecting sections 7 are under the Diagram shown schematically and labeled with letters a) - d). These letters identify the embodiments shown in Fig. 6.
- the deflection of the second section 5 relative to the first section 3 under the action of force perpendicular to one of the sides 10 or 11 and the resulting deflection perpendicular to the side 10 or 11 were calculated.
- the four embodiments are in Fig. 7 from left to right in descending order in terms of the maximum voltage that occurs during deflection. Incidentally, the maximum tension occurs on an inner edge that is under tensile stress.
- the different embodiments behave very differently in terms of maximum tension and deflection.
- the embodiments with narrow channels are characterized by smaller deflections and at the same time lower maximum principal stresses.
- the embodiments with wide channels 13 have comparatively large deflections and also large maximum tensions for a given force.
- the maximum tensile stresses that occur depend on the shape and dimensions of the connecting section.
- the connecting section 7 can be designed so that a maximum stress is created at the connecting section 7 in the event of a load, which is less than 400 MPa, preferably less than 200 MPa, in particular less than 100 MPa and most preferably less than 80 MPa.
- Maximum voltage refers in particular to the maximum deflection given by the respective application.
- a switch can have a stop that limits the deflection.
- the maximum voltages mentioned above then refer to the maximum deflection determined by the stop.
- Fig. 8 shows the embodiment according to Fig. 6 b) under the influence of a force F.
- the force F causes the second section 5 to be deflected perpendicular to the surface or to the sides 10, 11.
- the area of the maximum tensile stress 15, which occurs on the inner edge at the transition from the connecting section 7 to the first section 3, is marked in Fig. 8.
- Fig. 9 shows a diagram with the stresses and forces occurring for a given deflection for the same embodiments Glass elements 1, which are also the basis for the diagram in FIG.
- the values obtained through simulation calculations refer to a deflection of 0.03 mm.
- the values associated with the solid line indicate the maximum stresses that occur for the deflection of 0.03 mm.
- the values associated with the dashed line are the forces required for the deflection mentioned.
- the required force (dashed curve) for the same deflection is 10 times smaller for the embodiment according to FIG. 6 b) (in the diagram on the left) than for the embodiment according to FIG. 6 c).
- the voltages only vary by a factor of 4 with the maximum value in the “narrow and short” variant according to Fig. 6 a).
- the widths of the strips 70, 71 and the offset web 9 can be averaged for exact determination.
- the average width dimension ends at the center line of the offset strip 9.
- the average width dimension B is shown in FIG. 5 for illustrative purposes.
- the sum of the widths of two strips 70, 71 is preferably at least a factor of 3 larger than the width of the offset web 9. This is the case, for example, in the example of FIG. 6 b).
- the section 7 is structured in such a way that the tensions in the material of the element, i.e. in the glass, are caused by a Movement of the second section 5 relative to the first section 3 is reduced by at least 50%, preferably at least 90%, particularly preferably at least 99%, in comparison to the movement, such as a bending of an unstructured section, in particular an unstructured section without a reduction in thickness.
- the relative deflection of the two sections 3, 5 also depends on the width of the connecting section 7.
- the connection area 7 has a width that is at least 10% of the thickness of the glass element 7.
- the aforementioned condition applies in relation to the greater of the thicknesses. More preferred is a width of the connecting section 7 that is at least 20% of the thickness of the glass element 1.
- a width of the connecting section 7 of at least 50% of the glass thickness is particularly preferred. If the width is too large, the stability of the glass element 1 can also be reduced. It is therefore generally preferred if the width of the connecting section is at most 150% of the thickness of the glass element 1.
- a glass element 1 as described here can be produced by first providing a preform of a glass element and subsequently selectively removing material from the preform, so that the removal of the material creates a connecting section 7 which connects adjacent sections, namely a first Section 3 and a second section 5 connects and which is bendable, as well as stretchable or compressible, so that the first and second sections 3, 5 are movable relative to one another.
- a connecting section 7 which connects adjacent sections, namely a first Section 3 and a second section 5 connects and which is bendable, as well as stretchable or compressible, so that the first and second sections 3, 5 are movable relative to one another.
- To remove the material several methods can be used and, if necessary, combined. These methods may include structuring laser ablation, selective laser etching, ablation with etching, etching with masking, in particular a lithography method, sandblasting and ultrasonic oscillating lapping.
- the substrate After inserting at least two filament-shaped lesions, the substrate is exposed to an etching medium, which removes material from the substrate and expands the at least two filament-shaped lesions into filaments, with at least two filaments being connected to form a cavity. Such a cavity can then form a channel 13 of the connecting section 7.
- the material can be removed by etching, in particular with the prior creation of filamentous damage, or, as described above, by ablation or by abrasive removal.
- a masking 17 in the form of a structured coating is applied to a glass element preform 2 as shown in FIG. 10. This can also be done by applying the layer in an unstructured manner and then structuring it, for example lithographically.
- the masking 17 is structured so that it has openings 19.
- glass is removed in the area of the openings 19, so that the glass thickness is locally reduced and depressions are created.
- the masking 17 can be removed and, as shown in FIG. 12, a glass element 1 is obtained in which the depressions form grooves 13 of a flexible connecting section 7 which are open towards opposite sides.
- the glass can be removed abrasive, for example by sandblasting, or by etching.
- the glass element 1 can also be further processed after the structuring and the resulting production of the connecting section 7.
- the idea here is, among other things, to process the surface of the glass element 1 on one or both sides. Such processing can include a coating on one or both sides. Pre-tensioning is also particularly important. Is preferred in particular a chemical bias. According to a further development, the glass element 1 is accordingly chemically toughened. It is also advisable that the prestressing is carried out after structuring, i.e. after the production of the connecting section 7. In this case, the glass element including the connecting section 7 is accordingly prestressed, in particular chemically prestressed. As a result of the prestressing, a compressive stress zone is present on both sides of the glass element, including the opposite surfaces of the connecting section 7.
- the compressive stress is caused by an exchange layer created by the prestressing.
- the exchange layer ions of the glass are at least partially exchanged for larger ions.
- the exchange of sodium ions with potassium ions is common.
- the exchange layer on both sides has an increased potassium concentration compared to the glass inside the glass element.
- Fig. 13 shows a variant of the glass element 1 with at least one offset strip 9 running obliquely to the surface of the glass element 1, i.e. at an angle to at least one of the sides 10, 11.
- several offset strips 9 are arranged obliquely, as in the example shown.
- the angle of the surfaces of at least one of the dislocation strips 9 deviates from a 90 ° angle to the sides 10, 11.
- This arrangement also means that the channels 13 are arranged obliquely when viewed in cross section.
- the center plane 14 of the channels 13 is accordingly also oblique to the sides 10, 11.
- the force required for a deflection becomes dependent on the direction of the deflection, so that, for example, the force for a deflection is in a direction from side 10 towards side 11 differs from a deflection in the opposite direction.
- the connecting section 7 is shaped in such a way that the forces for deflections of the sections 3, 5 differ relative to one another when these deflections occur in opposite directions.
- Such an asymmetry of the deflection forces can also be achieved with shapes other than the oblique grooves 13 described above.
- the 14 shows a control element, in particular a manually operated switch button 21.
- the control surface of the switch button 21 is formed by a glass element 1 according to this disclosure.
- an electrical switch covered by the glass element 1 can be operated.
- the second section 5 represents an operating element with which a switch button 21 located underneath can be actuated.
- Fig. 15 shows a variant in which the glass element 1 itself is part of an electrical switch.
- a switching contact 24 for example in the form of a conductive coating, is arranged on the glass element 1.
- the second section 5 By pressing on the second section 5, it can be moved in the direction of a further switching contact 22, so that the two switching contacts 22, 24 touch each other and establish electrical contact, or close a circuit.
- the glass element 1 or more specifically the second section 5 is used as part of an electrical switch.
- the deflection of the second section 5 relative to the first section 3 can serve, among other things, to provide the operator with haptic feedback.
- a possible application here is the cover of a display, such as a display on a smartphone or tablet PC.
- the cover panel can thus be provided with an integrated control switch by the movable second section 5.
- One such example is shown in the mobile electronic device 20 shown in FIG.
- the cover panel 20 is formed by a glass element 1 according to this disclosure.
- the display 27 is covered by the first section 3 of the glass element 1.
- the second section 5 is a button, as shown, for example, in FIG. 14 or FIG. 15. This control element can serve as a so-called “home button”.
- the glass element 1 can be used as part of a sensor 29.
- the sensor 29 can in particular be designed to detect the deflection of the second section 5, for example by forces or pressures to eat.
- the connecting section 7 is flexible and at the same time can be designed to be fluid-tight.
- One possibility, which is also implemented in the example shown in FIG. 17, is an optical detection of the deflection of the second section 5.
- a laser diode 31 is provided, the laser beam 32 of which is directed onto the second section 5.
- the laser beam 5 reflected from the surface of the glass element 1 or from the second section 5 is detected by a detector 33.
- a deflection of the second section 5 results in a change in the position of the point of impact of the laser beam 32 on the detector.
- Another possibility is, for example, capacitive detection.
- the second section can be provided with an electrode, for example with an electrically conductive coating. A change in position of the second section 5 can then be detected based on the change in the distance to a second electrode and the associated change in capacitance.
- the glass element 1 can also be part of an actuator 30.
- the second section 5 could be actively moved to deflect a laser beam 32.
- Such an electrical feedthrough 35 is shown in the example of FIG is sealingly connected to the glass of the glass element 1, and wherein the glass element 1 is connected to a flange or a socket 37 at the first section 3, such that the feedthrough conductor 41 is held at a distance from the socket and the glass element 1 provides electrical insulation for the feedthrough conductor 41 provides opposite the socket, and wherein the connecting section 7 extends between the socket 37 and the feedthrough conductor 41 and in a ring shape around the feedthrough conductor 41.
- connection area 7 The special design of the connection area 7, the stretchable and compressible, and therefore also tiltable, makes it possible to absorb both lateral and axial shocks acting on the feedthrough conductor without damaging the feedthrough 35.
- the glass element 1 is connected to the socket 37 by means of a glass solder 39.
- the feedthrough conductor 41 can also be fastened with glass solder in a suitable opening in the second section 5 of the glass element 1. This embodiment makes it possible to prefabricate the glass element 1 with the structuring of the connecting section 7 and then to complete the feedthrough 35 by assembling the feedthrough conductor 41 and socket 37 and preferably hermetically connecting these components with glass solder 39.
- the feedthrough can also be produced first by glazing the feedthrough conductor 41 into the socket 37 and then subsequently structuring the glazing by removing glass to produce the connecting section 7.
- the feedthrough conductor 41 and the socket 37 are held in a mold and the gap is filled with glass material. The arrangement is then heated until the glass material melts and forms a glass element or a glass preform.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022112386.3A DE102022112386A1 (de) | 2022-05-17 | 2022-05-17 | Flexibles Glaselement und Verfahren zu dessen Herstellung |
| PCT/EP2023/060959 WO2023222350A1 (de) | 2022-05-17 | 2023-04-26 | Flexibles glaselement und verfahren zu dessen herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4526268A1 true EP4526268A1 (de) | 2025-03-26 |
Family
ID=86383097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23723832.4A Pending EP4526268A1 (de) | 2022-05-17 | 2023-04-26 | Flexibles glaselement und verfahren zu dessen herstellung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4526268A1 (de) |
| KR (1) | KR20240167683A (de) |
| CN (1) | CN119137080A (de) |
| DE (1) | DE102022112386A1 (de) |
| WO (1) | WO2023222350A1 (de) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007061174B4 (de) | 2007-12-17 | 2014-01-09 | Schott Ag | Elektrisches Durchführungsmodul und Verfahren zu dessen Herstellung, sowie Druckbehälter- oder Sicherheitsbehälterdurchführung |
| DE102018100299A1 (de) | 2017-01-27 | 2018-08-02 | Schott Ag | Strukturiertes plattenförmiges Glaselement und Verfahren zu dessen Herstellung |
| DE102018110211A1 (de) | 2018-04-27 | 2019-10-31 | Schott Ag | Verfahren zum Erzeugen feiner Strukturen im Volumen eines Substrates aus sprödharten Material |
| CN110047393A (zh) * | 2019-04-28 | 2019-07-23 | 武汉华星光电半导体显示技术有限公司 | 一种可弯折显示面板的盖板、可弯折显示面板及显示装置 |
| KR102771848B1 (ko) * | 2019-05-13 | 2025-02-21 | 엘피케이에프 레이저 앤드 일렉트로닉스 에스이 | 캐리어 기판을 구비하는 디스플레이를 제조하기 위한 방법, 이 방법에 따라 제조된 캐리어 기판, 그리고 유연한 디스플레이를 위해 의도된 커버 유리 |
| WO2021061481A1 (en) | 2019-09-27 | 2021-04-01 | Corning Incorporated | Vias including circumferential trenches, interposer including the vias, and method for fabricating the vias |
| EP3936485A1 (de) | 2020-07-06 | 2022-01-12 | Schott Ag | Flexibles glaselement und verfahren zur herstellung davon |
| EP4139255B1 (de) | 2020-07-28 | 2026-01-07 | LPKF Laser & Electronics SE | Substrat aus glas und ein verfahren zu seiner herstellung |
| KR102833259B1 (ko) * | 2020-08-13 | 2025-07-11 | 삼성디스플레이 주식회사 | 플렉서블 표시 장치용 커버 윈도우 제조 방법 및 플렉서블 표시 장치의 제조 방법 |
-
2022
- 2022-05-17 DE DE102022112386.3A patent/DE102022112386A1/de active Pending
-
2023
- 2023-04-26 KR KR1020247035456A patent/KR20240167683A/ko active Pending
- 2023-04-26 WO PCT/EP2023/060959 patent/WO2023222350A1/de not_active Ceased
- 2023-04-26 EP EP23723832.4A patent/EP4526268A1/de active Pending
- 2023-04-26 CN CN202380037490.XA patent/CN119137080A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023222350A1 (de) | 2023-11-23 |
| CN119137080A (zh) | 2024-12-13 |
| KR20240167683A (ko) | 2024-11-27 |
| DE102022112386A1 (de) | 2023-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0713235B1 (de) | Mikromechanisches elektrostatisches Relais | |
| DE10247487A1 (de) | Membran und Verfahren zu deren Herstellung | |
| DE102012206869A1 (de) | Mikromechanisches Bauelement und Verfahren zur Herstellung eines mikromechanischen Bauelements | |
| DE2350908A1 (de) | Schalter mit einem asymmetrischen wellenleiterpaar | |
| DE102017215236A1 (de) | MEMS-Schalter und Verfahren zur Herstellung eines MEMS-Schalters | |
| DE10207530A1 (de) | Piezoaktor mit strukturierter Außenelektrode | |
| WO2002012906A1 (de) | Mikromechanisches bauelement | |
| DE10031182B4 (de) | Bogenentladungsröhre mit Restdruckbelastungsschicht für eine Entladungslampeneinheit und Verfahren zur Herstellung derselben | |
| DE102013013402A1 (de) | Biegeelementanordnung sowie deren Verwendung | |
| EP0758080B1 (de) | Mikromechanisches Bauelement mit perforierter, spannungsfreier Membran | |
| EP4526268A1 (de) | Flexibles glaselement und verfahren zu dessen herstellung | |
| DE4207951C2 (de) | Kapazitiver Druck- oder Differenzdrucksensor in Glas-Silizium-Technik | |
| EP2593760B1 (de) | Infrarot-sensor mit tunnelkontakt zur messung der verformung einer membran | |
| DE4207952C1 (en) | Capacitative differential pressure sensor for simple mfr. - comprises silicon diaphragm with edges having thinned areas, leaving central area, pressure input channels aligned with thickened edge region, and flat recesses | |
| DE102020203573A1 (de) | Halbleitersubstrat und Verfahren zum Bilden eines Luft- und/oder Gastransferzugangs durch ein Halbleitersubstrat | |
| DE102019201235A1 (de) | Drucksensoreinrichtung sowie Verfahren zum Herstellen einer Drucksensoreinrichtung | |
| DE2302158A1 (de) | Verfahren zur herstellung einer sekundaeremissionskanalplatte mit gebogenen kanaelen | |
| DE10103814A1 (de) | Elektrischer Schaltkontakt und Verfahren zu dessen Herstellung | |
| EP1246215B1 (de) | Mikrorelais mit neuem Aufbau | |
| EP0128315A2 (de) | Tastschaltvorrichtung | |
| DE102015218172B4 (de) | Optische Anordnung | |
| EP4334241B1 (de) | Mikromechanische kammstruktur aus glas sowie zugehöriges verfahren und verwendung | |
| EP4436909B1 (de) | Verfahren zur herstellung einer struktur für mikroelektromechanische systeme | |
| DE102019006851B3 (de) | Verfahren zur Herstellung eines elektrisch leitenden Kontaktelements, elektrisch leitendes Kontaktelement und Hülse mit einem elektrisch leitenden Kontaktelement | |
| DE202021103079U1 (de) | Elektrische Durchführung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20240617 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Free format text: CASE NUMBER: APP_17060/2025 Effective date: 20250408 |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) |