SignMaking Solution

LetterForm®

A dedicated material solution engineered for trimless channel letter fabrication, delivering refined aesthetics and balanced illumination while streamlining production by eliminating trim cap assembly and paint prep.
die-making solutions

LetterForm®

A dedicated material solution engineered for trimless channel letter fabrication, delivering refined aesthetics and balanced illumination while streamlining production by eliminating trim cap assembly and paint prep.
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Increased Profitability with Capless Design
Eliminates the need for traditional trim cap processing, significantly saving fabrication time and labor costs.
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Outstanding Durability Without Fading or Cracking
The capless structure prevents common outdoor issues such as color fading and surface cracking associated with conventional trim caps.
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Differentiated Competitiveness with Exclusive Compatibility
Engineered exclusively for the ChannelBender series, delivering a refined appearance and a distinct competitive edge.
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Pre-Primed Surface for Direct Custom Painting
Finished with an exterior primer coat that requires no prep work, allowing immediate custom painting to save time and costs.
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Easy Fabrication & Maintenance with EasyClip
Enables simple letter assembly using EasyClip, while making back-panel removal effortless for streamlined maintenance.
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Superior Illumination with Gloss White Interior
Features a gloss white enamel interior finish that evenly reflects light to deliver clean, balanced illumination.
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Versatile Lighting Styles & Refined Aesthetics
Available in multiple return heights to create unique signage styles, including front-lit, halo-lit, side-lit, edge-lit, and combination lighting.
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Standard Finishes & Custom Color Options
Offered in gloss white, gloss black, brushed, and primed finishes, with custom color matching available based on minimum order quantities (MOQ).
Samples
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Key Features
LetterForm® Cross-Section Profile
LetterForm® Interior Structure
Recommended LetterForm® Seam Closures
Bridge Overlap: Ensure the bridge overlaps each material end by at least 50 mm for a secure hold.
Light Leak Prevention: Use a bridge of appropriate height to eliminate gaps between PVC ribs and minimize light leakage.
Adhesive: Apply structural adhesive when bonding the bridge to the material.
Fastening: Secure the bridge with 4 rivets (using only 2 may cause twisting or distortion).
Corner Joints: When joining at a corner, bend the bridge to the required angle and apply the same procedure outlined above.
Interior & Exterior Surface Specifications
LetterForm® is a proprietary aluminum material engineered specifically for fabricating trimless channel letters. Its unique design streamlines the fabrication process, significantly reducing production time and labor costs.
Exterior Surface: Finished with a matte off-white primer coat, eliminating the need for prep work prior to custom painting. For non-painted applications, standard finishes including gloss white, gloss black, and brushed are available, with custom color matching supported based on minimum order quantities (MOQ).
Interior Surface: Coated with a gloss white enamel finish that evenly reflects light, delivering balanced illumination and refined sign aesthetics.
(※ LetterForm® is exclusively compatible with the SDS ChannelBender® series.)
Looking for More Information?
Explore detailed specifications in the product catalog.
Looking for More Information?
Explore detailed specifications in the product catalog.
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개인정보 수집 및 이용 동의

서울디엔에스 주식회사(이하 “회사”)는 고객지원 서비스 제공을 위해 아래와 같이 개인정보를 수집합니다.

1. 필수 개인정보 수집 항목
- 이름, 휴대전화번호, 이메일 주소, IP 주소, 거주 국가, 접속 지역, 현지 시간대, ISP 업체 및 제품 시리얼 번호

2. 개인정보 이용 목적
- 회사는 수집한 개인정보를 기존 고객 여부 확인 및 고객의 현재 위치에 따른 맞춤형 언어 또는 서비스 제공을 위해 활용합니다.
- 회사는 익명 처리된 고객 개인정보를 집계하여 통계자료 작성 및 이용 성향 분석에 사용할 수 있습니다.

3. 개인정보 보유 및 이용 기간
- 회사는 동의받은 개인정보를 아래의 필요한 기간 동안 보유하고 이용하며, 보유 기간이 종료되면 해당 정보를 지체 없이 파기합니다.
· 유선 및 홈페이지 A/S 접수 또는 상담 시 수집된 개인정보: 5년
· A/S 이용, 제품 교환·환불 및 소모품 구매 시 수집된 개인정보: 5년
· 홈페이지 문의 시 수집된 개인정보: 3년

- 개인정보를 제외한 A/S 및 상담 내용, 구매 제품 정보, 일부 로그 정보 등은 통계 작성 및 서비스 개선을 위해 개인을 식별할 수 없는 형태로 보관될 수 있습니다.

다만 상법, 국세기본법, 전자상거래 등에서의 소비자보호에 관한 법률 등 대한민국의 관련 법령에 따라 거래 관련 권리·의무 관계 확인 등을 위해 일정 기간 보관할 필요가 있는 경우, 회사는 해당 개인정보를 법령에서 정한 기간 동안 보관합니다. 이 경우 회사는 보관하는 개인정보를 해당 보관 목적으로만 이용합니다.

· 계약 또는 청약철회 등에 관한 기록: 5년(전자상거래 등에서의 소비자보호에 관한 법률)
· 대금 결제 및 재화 등의 공급에 관한 기록: 5년(전자상거래 등에서의 소비자보호에 관한 법률)
· 소비자 불만 또는 분쟁 처리에 관한 기록: 3년(전자상거래 등에서의 소비자보호에 관한 법률)
· 납세 증거에 관한 기록: 5년(국세기본법)
· 전표 또는 이와 유사한 서류에 포함된 개인정보: 5년(상법)
· 통신사실확인자료 제공 시 이용자 확인에 필요한 성명 및 전화번호 등: 12개월(통신비밀보호법)
· 회사와 고객 간 민원 또는 소송 등의 분쟁이 보유 기간 내에 해결되지 않은 경우: 해당 분쟁이 해결될 때까지

4. 동의 거부권 및 미동의에 따른 불이익
- 고객은 개인정보 수집 및 이용에 대한 동의를 거부할 권리가 있습니다. 다만 동의하지 않을 경우 본 화면을 통한 서비스 문의가 제한됩니다.

5. 이용 제한 대상
- 만 14세 미만은 서비스 신청 및 소모품 구매 등을 이용할 수 없습니다.

위와 같이 개인정보를 수집하고 이용하는 데 동의하십니까?

View full policy

Consent to the Collection and Use of Personal Information

Seoul D&S Co., Ltd. (the “Company”) collects personal information as described below to provide customer support services.

1. Required personal information
- Name, mobile phone number, email address, IP address, country of residence, access region, local time zone, internet service provider, and product serial number

2. Purpose of collection and use
- The Company uses the collected information to determine whether the user is an existing customer and to provide language options or services tailored to the customer’s current location.
- The Company may aggregate anonymized customer information and use the resulting statistical data to analyze usage patterns.

3. Retention and use period
- The Company retains and uses personal information for the periods specified below. Once the applicable retention period expires, the information will be destroyed without undue delay.
· Information collected through telephone or website after-sales service requests and consultations: 5 years
· Information collected in connection with after-sales service, product exchanges or refunds, and purchases of consumables: 5 years
· Information collected through website inquiries: 3 years

- After-sales service and consultation records, information about purchased products, and certain log information may be retained in a form that does not identify individuals for statistical analysis and service improvement.

Where applicable laws of the Republic of Korea—including the Commercial Act, the Framework Act on National Taxes, and the Act on Consumer Protection in Electronic Commerce—require information to be retained to verify transaction-related rights and obligations, the Company will retain it for the legally required period. Such information will be used solely for the purpose for which it is retained.

· Records concerning contracts or withdrawal of offers: 5 years (Act on Consumer Protection in Electronic Commerce)
· Records concerning payments and the supply of goods or services: 5 years (Act on Consumer Protection in Electronic Commerce)
· Records concerning consumer complaints or dispute resolution: 3 years (Act on Consumer Protection in Electronic Commerce)
· Records supporting tax payments: 5 years (Framework Act on National Taxes)
· Personal information contained in vouchers or similar documents: 5 years (Commercial Act)
· Names, telephone numbers, and other information required to identify users when providing communication confirmation data: 12 months (Protection of Communications Secrets Act)
· Where a complaint, lawsuit, or other dispute between the Company and a customer is not resolved within the applicable retention period: until the dispute is resolved

4. Right to refuse consent and consequences
- Customers have the right to refuse consent to the collection and use of their personal information. However, customers who do not provide consent cannot submit a service inquiry through this form.

5. Age restriction
- Individuals under the age of 14 may not request services or purchase consumables.

Do you consent to the collection and use of your personal information as described above?

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